62,614
社区成员
发帖
与我相关
我的任务
分享
public class SingleTest {
private SingleTest(){
i+=1;
System.out.println("hello......i="+i);
j+=j;
}
public static int i=0;
public static int j=0;
public static class Inner{
public static SingleTest st=new SingleTest()
j=j+1;
}
public static SingleTest getSingle(){
return Inner.st;
}
public static void main(String[] args) {
SingleTest st=SingleTest.getSingle();
SingleTest st1=SingleTest.getSingle();
SingleTest st2=SingleTest.getSingle();
SingleTest st3=SingleTest.getSingle();
System.out.println("----------");
SingleTest st5=new SingleTest();
SingleTest st6=new SingleTest();
}
}