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package com;
public class Singleton {
private static int num = 20;
private static Singleton singleton = new Singleton();
public static Singleton getInstance(){
return singleton;
}
private Singleton() {
}
public void meth(){
num = num - 1;
System.out.println(num);
}
}
package com;
public class TestMain {
public static void main(String[] args) {
System.out.println(Singleton.getInstance());
Singleton.getInstance().meth();
}
}
package com;
public class TestMain2 {
public static void main(String[] args) {
System.out.println(Singleton.getInstance());
Singleton.getInstance().meth();
}
}