一个Java单例模式举例

class Test2{
	
	private String name;
	private int age;
	
	private Test2(){
		
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}
	
	private static Test2 tt=null;
	
	public static  Test2 createTest(){
		if(tt==null){
			tt=new Test2();
		}
		return tt;
	} 
	
}


public class Test{
	public static void main(String args[]){
		Test2 t1=Test2.createTest();
		Test2 t2=Test2.createTest();
		System.out.println(t1==t2);
	}
}