You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.2 KiB
38 lines
1.2 KiB
2 years ago
|
/*
|
||
|
|
* 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 lang;
|
||
|
|
|
||
|
|
/**
|
||
|
|
*
|
||
|
|
* @author (C)Y.D.Zakovryashin, 14.11.2022
|
||
|
|
*/
|
||
|
|
public class DemoObject implements Cloneable {
|
||
|
|
private int id = 12344;
|
||
|
|
|
||
|
|
public static void main(String[] args) {
|
||
|
|
DemoObject obj = new DemoObject();
|
||
|
|
System.out.println("obj: " + obj.id);
|
||
|
|
try {
|
||
|
|
DemoObject clone = (DemoObject) obj.clone();
|
||
|
|
System.out.println("clone: " + clone.id );
|
||
|
|
DemoObject clone2 = (DemoObject) clone.clone();
|
||
|
|
System.out.println("clone2: " + clone2.id );
|
||
|
|
} catch (CloneNotSupportedException e) {
|
||
|
|
System.out.println("Error: " + e.getMessage());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public Object clone () throws CloneNotSupportedException {
|
||
|
|
DemoObject t = new DemoObject(); // id = 12344
|
||
|
|
// DemoObject t = (DemoObject) super.clone();
|
||
|
|
t.id = id + 1; // id = 12345
|
||
|
|
if ( t.id > 1000000) {
|
||
|
|
throw new CloneNotSupportedException ("Id overflow");
|
||
|
|
}
|
||
|
|
return t;
|
||
|
|
}
|
||
|
|
}
|