多项选择题
Which of the following will definitely stop a thread from executing?()
A.wait()
B.notify()
C.yield()
D.suspend()
E.sleep()
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A.Allows threads to be manipulated as group
B.Provides support for ThreadDeath listeners
C.May contain other ThreadGroups
D.Must contain threads of the same type -
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下面哪些是J2EE中的23种设计模式?()
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C.Bridge
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log4j中输入日志有哪些级别设置?()
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