public class SingletonTest {
public static void main(String[] args) {
System.
out.println(
"Start");
Singleton obj1 = Singleton.getInstance();
Singleton obj2 = Singleton.getInstance();
if(obj1 == obj2){
System.
out.println(
"obj1和obj2是同一个对象实例");
}
else{
System.
out.println(
"obj1和obj2并非同一对象实例");
}
System.
out.println(
"end");
}
}
class Singleton {
private static Singleton singleton =
new Singleton();
private Singleton(){
System.
out.println(
"已产生实例对象");
}
public static Singleton
getInstance(){
return singleton;
}
}
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