package singleton;
/**
* Created by noteless on 2018/10/11.
* Description:
*/
public class LazySingleton {
    private LazySingleton() {
    }
    private static volatile LazySingleton singleton = null;
        public static LazySingleton getInstance() {
        if (singleton == null) {
            
 
synchronized (LazySingleton.class) {
                if (singleton == null) {
                singleton = new LazySingleton();
                }
            }
        }
    return singleton;
    }
}