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public class Singleton { private Singleton(){} //ÔÚ×Ô¼ºÄÚ²¿¶¨Òå×Ô¼ºÒ»¸öʵÀý£¬ÊDz»ÊǺÜÏ£Æ棿
//×¢ÖØÕâÊÇprivate Ö»¹©ÄÚ²¿µ÷Óà private static Singleton instance = new Singleton(); //ÕâÀïÌṩÁËÒ»¸ö¹©Íⲿ·ÃÎʱ¾classµÄ¾²Ì¬·½·¨£¬¿ÉÒÔÖ±½Ó·ÃÎÊ
public static Singleton getInstance() {
return instance;
}
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