Single-Case mode

Package single case mode;

public class Test01 {

private String name;

Public String GetName () {
return name;
}

public void SetName (String name) {
THIS.name = name;
}

Private Test01 () {
Private construction methods
}
Create your own objects
private static Test01 Ts=null;

External access Methods
public static Test01 Getprint () {
object is created if the object is empty, otherwise this object is returned
if (ts==null) {

Ts=new Test01 ();
}

return TS;
}

public void Printinfo () {

System.out.println ("outmsg:" +name);
}

public static void Main (String[]args) {

Test01 Ts1=test01.getprint ();
Ts1.setname ("Zhang San");
System.out.println (Ts1.getname ());

Test01 Ts2=test01.getprint ();
Ts2.setname ("John Doe");
System.out.println (Ts2.getname ());

Ts1.printinfo ();
Ts2.printinfo ();


if (ts1==ts2) {

System.out.println ("same instance");
}else if (ts1!=ts2) {

System.out.println ("different instances");
}else{

SYSTEM.OUT.PRINTLN ("error");
}

}
}

Output Result:

Tom
John doe
OUTMSG: John Doe
OUTMSG: John Doe
Same instance

Single-Case mode