设计模式 单例模式

俄汉模式

public class Singleton{ private static Singleton mIns=new Singleton(); public Singleton GetmInstance() { return mIns; }}

懒汉模式

public  class Singleton{  private static Singleton mIns;   public static Singleton GetInstance()  {   if(mins==null)   {      mins = new Singleton();   }  }   private Singleton(){};}