JAVA--单例模式

public class SingleTest{/** * 单例模式 */public static void main(String[] args){        Singleton myIns1 = Singleton.getSingleton();        Singleton myIns2 = Singleton.getSingleton();        System.out.println(myIns1==myIns2);}}class Singleton{private static Singleton singleIns = new Singleton();private Singleton(){}public static Singleton getSingleton(){return singleIns;   /*    * 在单线程环境下也可以这样实现    * if(singleIns==null)    * singleIns = new Singleton();     * return singleIns    */}}