шпаргалки
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

/*
* 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;
}
}