According to Chinese tradition, Spring Festival starts from the New Year's Eve with Yuanxiao Festival being the highlight.
A.
正确
B.
错误
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参考解析:
知识点:
皮皮学刷刷变学霸
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【单选题】下列代码,使用的设计模式是 public class SO { private static SO instance; private SO (){} public static SO getInstance() { if (instance == null) { instance = new SO(); } return instance; } }