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r(sh)g2024-10-08 11:08:40 Yϴȫ ҪͶ
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JavaPԇ}Ŀ:String s = new String(“xyz”);(chung)ˎׂ(g)String Object?

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Pԇ}ĿǺ׃B(ti)ҪŰĜ(zhn)

JavaPԇ}Ŀʮ:sleep() wait() ʲô^(q)e?

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JavaPԇ}Ŀʮ:JavaЛ]g(sh)oto?

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