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下面有关Java object默认的基本方法,说法错误的是? #47

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@strongant

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@strongant
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A.equals(Object obj)指示某个其他对象是否与此对象“相等”
B.copy()创建并返回此对象的一个副本
C.wait()导致当前的线程等待,直到其它线程调用此对象的notify()方法或者notifiAll()方法
D.toString()返回该对象的字符串表示

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