diff --git a/java/samples/FileReaderAndWriter/Text.txt b/java/samples/FileReaderAndWriter/Text.txt
new file mode 100644
index 0000000..c43cf9e
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/Text.txt
@@ -0,0 +1,5 @@
+Hello world!Hello world!
+Hello world!
+Hello world!
+Hello world!
+Hello world!
\ No newline at end of file
diff --git a/java/samples/FileReaderAndWriter/build.xml b/java/samples/FileReaderAndWriter/build.xml
new file mode 100644
index 0000000..803ce41
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/build.xml
@@ -0,0 +1,73 @@
+
+
+
+
+
+
+
+
+
+
+ Builds, tests, and runs the project FileReaderAndWriter.
+
+
+
diff --git a/java/samples/FileReaderAndWriter/build/classes/.netbeans_automatic_build b/java/samples/FileReaderAndWriter/build/classes/.netbeans_automatic_build
new file mode 100644
index 0000000..e69de29
diff --git a/java/samples/FileReaderAndWriter/build/classes/.netbeans_update_resources b/java/samples/FileReaderAndWriter/build/classes/.netbeans_update_resources
new file mode 100644
index 0000000..e69de29
diff --git a/java/samples/FileReaderAndWriter/build/classes/filereaderandwriter/FileReaderAndWriter.class b/java/samples/FileReaderAndWriter/build/classes/filereaderandwriter/FileReaderAndWriter.class
new file mode 100644
index 0000000..fdd4099
Binary files /dev/null and b/java/samples/FileReaderAndWriter/build/classes/filereaderandwriter/FileReaderAndWriter.class differ
diff --git a/java/samples/FileReaderAndWriter/manifest.mf b/java/samples/FileReaderAndWriter/manifest.mf
new file mode 100644
index 0000000..1574df4
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/java/samples/FileReaderAndWriter/nbproject/build-impl.xml b/java/samples/FileReaderAndWriter/nbproject/build-impl.xml
new file mode 100644
index 0000000..3236024
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/nbproject/build-impl.xml
@@ -0,0 +1,1420 @@
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+ Must set src.dir
+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
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+ Must set javac.includes
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+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
+
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+ Must select some files in the IDE or set javac.includes
+
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+
+
+
+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
+
+
+
+
+
+
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+
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+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+ Must select one file in the IDE or set run.class
+
+
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+
+
+
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+
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+
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+
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+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must set fix.includes
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
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+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
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+
+
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+
+
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+
+
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set javac.includes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+ Some tests failed; see details above.
+
+
+
+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+ Must select one file in the IDE or set test.class
+
+
+
+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
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+
diff --git a/java/samples/FileReaderAndWriter/nbproject/genfiles.properties b/java/samples/FileReaderAndWriter/nbproject/genfiles.properties
new file mode 100644
index 0000000..a87e5f8
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=64ca7b4c
+build.xml.script.CRC32=2cd2026b
+build.xml.stylesheet.CRC32=8064a381@1.80.1.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=64ca7b4c
+nbproject/build-impl.xml.script.CRC32=38645af4
+nbproject/build-impl.xml.stylesheet.CRC32=830a3534@1.80.1.48
diff --git a/java/samples/FileReaderAndWriter/nbproject/private/private.properties b/java/samples/FileReaderAndWriter/nbproject/private/private.properties
new file mode 100644
index 0000000..11ff3b8
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/nbproject/private/private.properties
@@ -0,0 +1,2 @@
+compile.on.save=true
+user.properties.file=C:\\Users\\denis.LAPTOP-4LI8UQ4O\\AppData\\Roaming\\NetBeans\\8.2\\build.properties
diff --git a/java/samples/FileReaderAndWriter/nbproject/project.properties b/java/samples/FileReaderAndWriter/nbproject/project.properties
new file mode 100644
index 0000000..abdbcc9
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/nbproject/project.properties
@@ -0,0 +1,74 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.test.classpath=\
+ ${run.test.classpath}
+# \u0424\u0430\u0439\u043b\u044b \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 build.classes.dir, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0430\u0440\u0445\u0438\u0432\u0430 jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/FileReaderAndWriter.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.external.vm=true
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=1.8
+javac.target=1.8
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+main.class=filereaderandwriter.FileReaderAndWriter
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/java/samples/FileReaderAndWriter/nbproject/project.xml b/java/samples/FileReaderAndWriter/nbproject/project.xml
new file mode 100644
index 0000000..db9f317
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ FileReaderAndWriter
+
+
+
+
+
+
+
+
+
diff --git a/java/samples/FileReaderAndWriter/src/filereaderandwriter/FileReaderAndWriter.java b/java/samples/FileReaderAndWriter/src/filereaderandwriter/FileReaderAndWriter.java
new file mode 100644
index 0000000..654622e
--- /dev/null
+++ b/java/samples/FileReaderAndWriter/src/filereaderandwriter/FileReaderAndWriter.java
@@ -0,0 +1,60 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package filereaderandwriter;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author denis
+ */
+public class FileReaderAndWriter {
+
+ /**
+ * @param args the command line arguments
+ */
+ public static void main(String[] args) {
+ File file = new File("Text.txt");
+ if(!file.exists()) try {
+ file.createNewFile();
+ } catch (IOException ex) {
+ Logger.getLogger(FileReaderAndWriter.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ if(file.canWrite()){
+
+ String line = "Hello world!";
+ try (FileWriter writer = new FileWriter(file, true)) {
+ writer.append("\n" + line);
+ } catch (IOException ex) {
+ Logger.getLogger(FileReaderAndWriter.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ }
+
+ if(file.canRead()){
+ String line = "";
+ try(FileReader reader = new FileReader(file)){
+
+ char[]buf = new char[5];
+ int c =0;
+ while((c=reader.read(buf))!=-1){
+ line += new String(buf, 0, c);
+ }
+
+ }catch (IOException ex) {
+ Logger.getLogger(FileReaderAndWriter.class.getName()).log(Level.SEVERE, null, ex);
+ }
+ System.out.println(line);
+ }
+ }
+
+}
diff --git a/java/samples/PropertiesExample/build.xml b/java/samples/PropertiesExample/build.xml
new file mode 100644
index 0000000..2755765
--- /dev/null
+++ b/java/samples/PropertiesExample/build.xml
@@ -0,0 +1,73 @@
+
+
+
+
+
+
+
+
+
+
+ Builds, tests, and runs the project PropertiesExample.
+
+
+
diff --git a/java/samples/PropertiesExample/build/classes/.netbeans_automatic_build b/java/samples/PropertiesExample/build/classes/.netbeans_automatic_build
new file mode 100644
index 0000000..e69de29
diff --git a/java/samples/PropertiesExample/build/classes/.netbeans_update_resources b/java/samples/PropertiesExample/build/classes/.netbeans_update_resources
new file mode 100644
index 0000000..e69de29
diff --git a/java/samples/PropertiesExample/build/classes/propertiesexample/PropertiesExample.class b/java/samples/PropertiesExample/build/classes/propertiesexample/PropertiesExample.class
new file mode 100644
index 0000000..b724eb3
Binary files /dev/null and b/java/samples/PropertiesExample/build/classes/propertiesexample/PropertiesExample.class differ
diff --git a/java/samples/PropertiesExample/manifest.mf b/java/samples/PropertiesExample/manifest.mf
new file mode 100644
index 0000000..1574df4
--- /dev/null
+++ b/java/samples/PropertiesExample/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/java/samples/PropertiesExample/nbproject/build-impl.xml b/java/samples/PropertiesExample/nbproject/build-impl.xml
new file mode 100644
index 0000000..53273d4
--- /dev/null
+++ b/java/samples/PropertiesExample/nbproject/build-impl.xml
@@ -0,0 +1,1420 @@
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+ Must set src.dir
+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
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+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
+
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+
+
+ Must select some files in the IDE or set javac.includes
+
+
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+
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+
+
+
+
+
+
+
+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
+
+
+
+
+
+
+
+
+
+
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+
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+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+
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+
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+
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+
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+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must set fix.includes
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
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+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set javac.includes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+ Some tests failed; see details above.
+
+
+
+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+ Must select one file in the IDE or set test.class
+
+
+
+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
diff --git a/java/samples/PropertiesExample/nbproject/genfiles.properties b/java/samples/PropertiesExample/nbproject/genfiles.properties
new file mode 100644
index 0000000..a66821c
--- /dev/null
+++ b/java/samples/PropertiesExample/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=114678dd
+build.xml.script.CRC32=5efee7cf
+build.xml.stylesheet.CRC32=8064a381@1.80.1.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=114678dd
+nbproject/build-impl.xml.script.CRC32=6b3fab86
+nbproject/build-impl.xml.stylesheet.CRC32=830a3534@1.80.1.48
diff --git a/java/samples/PropertiesExample/nbproject/private/private.properties b/java/samples/PropertiesExample/nbproject/private/private.properties
new file mode 100644
index 0000000..11ff3b8
--- /dev/null
+++ b/java/samples/PropertiesExample/nbproject/private/private.properties
@@ -0,0 +1,2 @@
+compile.on.save=true
+user.properties.file=C:\\Users\\denis.LAPTOP-4LI8UQ4O\\AppData\\Roaming\\NetBeans\\8.2\\build.properties
diff --git a/java/samples/PropertiesExample/nbproject/project.properties b/java/samples/PropertiesExample/nbproject/project.properties
new file mode 100644
index 0000000..e3fea1a
--- /dev/null
+++ b/java/samples/PropertiesExample/nbproject/project.properties
@@ -0,0 +1,74 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.test.classpath=\
+ ${run.test.classpath}
+# \u0424\u0430\u0439\u043b\u044b \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 build.classes.dir, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0430\u0440\u0445\u0438\u0432\u0430 jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/PropertiesExample.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.external.vm=true
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=1.8
+javac.target=1.8
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+main.class=propertiesexample.PropertiesExample
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/java/samples/PropertiesExample/nbproject/project.xml b/java/samples/PropertiesExample/nbproject/project.xml
new file mode 100644
index 0000000..81b1bb1
--- /dev/null
+++ b/java/samples/PropertiesExample/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ PropertiesExample
+
+
+
+
+
+
+
+
+
diff --git a/java/samples/PropertiesExample/prop.properties b/java/samples/PropertiesExample/prop.properties
new file mode 100644
index 0000000..3c27726
--- /dev/null
+++ b/java/samples/PropertiesExample/prop.properties
@@ -0,0 +1,3 @@
+#Wed Nov 23 21:13:48 MSK 2022
+nameK=Hello world
+key=key value2
diff --git a/java/samples/PropertiesExample/src/propertiesexample/PropertiesExample.java b/java/samples/PropertiesExample/src/propertiesexample/PropertiesExample.java
new file mode 100644
index 0000000..d35140f
--- /dev/null
+++ b/java/samples/PropertiesExample/src/propertiesexample/PropertiesExample.java
@@ -0,0 +1,57 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package propertiesexample;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Properties;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author denis
+ */
+public class PropertiesExample {
+
+ /**
+ * @param args the command line arguments
+ */
+ public static void main(String[] args) {
+ File fileProp = new File("prop.properties");
+ if(!fileProp.exists()) try {
+ fileProp.createNewFile();
+ } catch (IOException ex) {
+ Logger.getLogger(PropertiesExample.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ Properties properties = new Properties();
+ try {
+ properties.load(new FileReader(fileProp));
+ } catch (FileNotFoundException ex) {
+ Logger.getLogger(PropertiesExample.class.getName()).log(Level.SEVERE, null, ex);
+ } catch (IOException ex) {
+ Logger.getLogger(PropertiesExample.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+// properties.put("key", "key value");
+// properties.put("key", "key value2");
+// properties.put("key2", "key value2");
+
+ System.out.println(properties.getProperty("nameK", "Key is not exist"));
+
+ try {
+ properties.store(new FileWriter(fileProp), null);
+ } catch (IOException ex) {
+ Logger.getLogger(PropertiesExample.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ }
+
+}
diff --git a/java/samples/RulesPECS/build.xml b/java/samples/RulesPECS/build.xml
new file mode 100644
index 0000000..1f2dc1c
--- /dev/null
+++ b/java/samples/RulesPECS/build.xml
@@ -0,0 +1,73 @@
+
+
+
+
+
+
+
+
+
+
+ Builds, tests, and runs the project RulesPECS.
+
+
+
diff --git a/java/samples/RulesPECS/build/classes/.netbeans_automatic_build b/java/samples/RulesPECS/build/classes/.netbeans_automatic_build
new file mode 100644
index 0000000..e69de29
diff --git a/java/samples/RulesPECS/build/classes/.netbeans_update_resources b/java/samples/RulesPECS/build/classes/.netbeans_update_resources
new file mode 100644
index 0000000..e69de29
diff --git a/java/samples/RulesPECS/build/classes/rulespecs/City.class b/java/samples/RulesPECS/build/classes/rulespecs/City.class
new file mode 100644
index 0000000..d0e229d
Binary files /dev/null and b/java/samples/RulesPECS/build/classes/rulespecs/City.class differ
diff --git a/java/samples/RulesPECS/build/classes/rulespecs/Country.class b/java/samples/RulesPECS/build/classes/rulespecs/Country.class
new file mode 100644
index 0000000..13bce0f
Binary files /dev/null and b/java/samples/RulesPECS/build/classes/rulespecs/Country.class differ
diff --git a/java/samples/RulesPECS/build/classes/rulespecs/District.class b/java/samples/RulesPECS/build/classes/rulespecs/District.class
new file mode 100644
index 0000000..77eff4d
Binary files /dev/null and b/java/samples/RulesPECS/build/classes/rulespecs/District.class differ
diff --git a/java/samples/RulesPECS/build/classes/rulespecs/RulesPECS.class b/java/samples/RulesPECS/build/classes/rulespecs/RulesPECS.class
new file mode 100644
index 0000000..0f074ad
Binary files /dev/null and b/java/samples/RulesPECS/build/classes/rulespecs/RulesPECS.class differ
diff --git a/java/samples/RulesPECS/build/classes/rulespecs/Street.class b/java/samples/RulesPECS/build/classes/rulespecs/Street.class
new file mode 100644
index 0000000..55547c2
Binary files /dev/null and b/java/samples/RulesPECS/build/classes/rulespecs/Street.class differ
diff --git a/java/samples/RulesPECS/manifest.mf b/java/samples/RulesPECS/manifest.mf
new file mode 100644
index 0000000..1574df4
--- /dev/null
+++ b/java/samples/RulesPECS/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/java/samples/RulesPECS/nbproject/build-impl.xml b/java/samples/RulesPECS/nbproject/build-impl.xml
new file mode 100644
index 0000000..daa47fa
--- /dev/null
+++ b/java/samples/RulesPECS/nbproject/build-impl.xml
@@ -0,0 +1,1420 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
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+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
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+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
+
+
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+ Must select one file in the IDE or set run.class
+
+
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+ Must select one file in the IDE or set run.class
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+ Must select one file in the IDE or set debug.class
+
+
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+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must set fix.includes
+
+
+
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+
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+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
+
+
+
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+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
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+ This target only works when run from inside the NetBeans IDE.
+
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+ Must select one file in the IDE or set run.class
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
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+ Must select some files in the IDE or set javac.includes
+
+
+
+
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+
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+
+
+
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+
+
+
+ Some tests failed; see details above.
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+ Some tests failed; see details above.
+
+
+
+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+ Must select one file in the IDE or set test.class
+
+
+
+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
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+
+ Must select one file in the IDE or set applet.url
+
+
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diff --git a/java/samples/RulesPECS/nbproject/genfiles.properties b/java/samples/RulesPECS/nbproject/genfiles.properties
new file mode 100644
index 0000000..ebce509
--- /dev/null
+++ b/java/samples/RulesPECS/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=f1c33432
+build.xml.script.CRC32=9cbcce91
+build.xml.stylesheet.CRC32=8064a381@1.80.1.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=f1c33432
+nbproject/build-impl.xml.script.CRC32=01d0e4a4
+nbproject/build-impl.xml.stylesheet.CRC32=830a3534@1.80.1.48
diff --git a/java/samples/RulesPECS/nbproject/private/private.properties b/java/samples/RulesPECS/nbproject/private/private.properties
new file mode 100644
index 0000000..11ff3b8
--- /dev/null
+++ b/java/samples/RulesPECS/nbproject/private/private.properties
@@ -0,0 +1,2 @@
+compile.on.save=true
+user.properties.file=C:\\Users\\denis.LAPTOP-4LI8UQ4O\\AppData\\Roaming\\NetBeans\\8.2\\build.properties
diff --git a/java/samples/RulesPECS/nbproject/project.properties b/java/samples/RulesPECS/nbproject/project.properties
new file mode 100644
index 0000000..c5f6daf
--- /dev/null
+++ b/java/samples/RulesPECS/nbproject/project.properties
@@ -0,0 +1,74 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.test.classpath=\
+ ${run.test.classpath}
+# \u0424\u0430\u0439\u043b\u044b \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 build.classes.dir, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0438\u0437 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0430\u0440\u0445\u0438\u0432\u0430 jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/RulesPECS.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.external.vm=true
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=1.8
+javac.target=1.8
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+main.class=rulespecs.RulesPECS
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/java/samples/RulesPECS/nbproject/project.xml b/java/samples/RulesPECS/nbproject/project.xml
new file mode 100644
index 0000000..65e52b8
--- /dev/null
+++ b/java/samples/RulesPECS/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ RulesPECS
+
+
+
+
+
+
+
+
+
diff --git a/java/samples/RulesPECS/src/rulespecs/City.java b/java/samples/RulesPECS/src/rulespecs/City.java
new file mode 100644
index 0000000..ed78e8b
--- /dev/null
+++ b/java/samples/RulesPECS/src/rulespecs/City.java
@@ -0,0 +1,14 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package rulespecs;
+
+/**
+ *
+ * @author denis
+ */
+public class City extends Country{
+
+}
diff --git a/java/samples/RulesPECS/src/rulespecs/Country.java b/java/samples/RulesPECS/src/rulespecs/Country.java
new file mode 100644
index 0000000..49421e1
--- /dev/null
+++ b/java/samples/RulesPECS/src/rulespecs/Country.java
@@ -0,0 +1,14 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package rulespecs;
+
+/**
+ *
+ * @author denis
+ */
+public class Country {
+
+}
diff --git a/java/samples/RulesPECS/src/rulespecs/District.java b/java/samples/RulesPECS/src/rulespecs/District.java
new file mode 100644
index 0000000..a82bf62
--- /dev/null
+++ b/java/samples/RulesPECS/src/rulespecs/District.java
@@ -0,0 +1,17 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package rulespecs;
+
+/**
+ *
+ * @author denis
+ */
+public class District extends City{
+
+ public void methods(){
+
+ }
+}
diff --git a/java/samples/RulesPECS/src/rulespecs/RulesPECS.java b/java/samples/RulesPECS/src/rulespecs/RulesPECS.java
new file mode 100644
index 0000000..cfeaca7
--- /dev/null
+++ b/java/samples/RulesPECS/src/rulespecs/RulesPECS.java
@@ -0,0 +1,62 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package rulespecs;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ *
+ * @author denis
+ */
+public class RulesPECS {
+
+ /**
+ * @param args the command line arguments
+ */
+ public static void main(String[] args) {
+ RulesPECS rules = new RulesPECS();
+
+ List countrys = new ArrayList<>();
+ countrys.add(new Country());
+ List citys = new ArrayList<>();
+ citys.add(new City());
+ List districts = new ArrayList<>();
+ districts.add(new District());
+ List streets = new ArrayList<>();
+ streets.add(new Street());
+
+ rules.producer(countrys);
+ rules.producer(citys);
+ rules.producer(districts);
+ rules.producer(streets);
+
+ rules.consumer(countrys);
+ rules.consumer(citys);
+ rules.consumer(districts);
+ rules.consumer(streets);
+ }
+
+ public void producer (List list){
+ list.add(new Country());
+ list.add(new City());
+ list.add(new District());
+ list.add(new Street());
+ }
+
+ public void consumer (List list){
+ Object district = list.get(0);
+ if(district instanceof Country) System.out.println("Object is Country");
+ if(district instanceof City) System.out.println("Object is City");
+ if(district instanceof District) System.out.println("Object is District");
+ if(district instanceof Street) System.out.println("Object is Street");
+ list.add(new Country());
+ list.add(new City());
+ list.add(new District());
+ list.add(new Street());
+ }
+
+}
diff --git a/java/samples/RulesPECS/src/rulespecs/Street.java b/java/samples/RulesPECS/src/rulespecs/Street.java
new file mode 100644
index 0000000..53a068e
--- /dev/null
+++ b/java/samples/RulesPECS/src/rulespecs/Street.java
@@ -0,0 +1,14 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package rulespecs;
+
+/**
+ *
+ * @author denis
+ */
+public class Street extends District{
+
+}