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50 lines
1.4 KiB
50 lines
1.4 KiB
2 years ago
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package filereaderandwriter2;
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import java.io.File;
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import java.io.*;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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*
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* @author denis
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*/
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public class FileReaderAndWriter2 {
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/**
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* @param args the command line arguments
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*/
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public static void main(String[] args) {
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File file = new File("SameFile.txt");
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if(!file.exists()) try {
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file.createNewFile();
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} catch (IOException ex) {
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Logger.getLogger(FileReaderAndWriter2.class.getName()).log(Level.SEVERE, null, ex);
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}
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String message = "Hello world";
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try (FileWriter writer = new FileWriter(file, true)) {
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writer.append("\n" + message);
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} catch (IOException ex) {
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}
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try(FileReader reader = new FileReader(file)){
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StringBuffer buffer = new StringBuffer();
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char[] cbuf = new char[1024];
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int count = 0;
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while((count = reader.read(cbuf)) != -1){
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buffer.append(new String(cbuf, 0, count));
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}
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System.out.println(buffer.toString());
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}catch(IOException e) {}
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}
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}
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