public class Something
{
private Something
() {
}
private static class LazyHolder
{
public static final Something INSTANCE
= new Something
();
}
public static Something getInstance
() {
return LazyHolder.
INSTANCE;
}
}
这样的懒汉单例模式的实现，唯一的缺点是当
Something方法构造失败后，instance返回的是一个null
转载于:https://www.cnblogs.com/dojava/archive/2012/03/15/2397904.html
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