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JavaPԇ}Ŀ:GCʲô? ʲôҪGC?
A(ch)
JavaPԇ}Ŀ:String s = new String(“xyz”);(chung)ˎׂ(g)String Object?
JavaPԇ}Ŀʮһ:Math.round(11.5)춶? Math.round(-11.5)춶?
JavaPԇ}Ŀʮ:short s1 = 1; s1 = s1 + 1;ʲôe(cu)? short s1 = 1; s1 += 1;ʲôe(cu)?
Pԇ}ĿǺ׃B(ti)ҪŰĜ(zhn)
JavaPԇ}Ŀʮ:sleep() wait() ʲô^(q)e?
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JavaPԇ}Ŀʮ:JavaЛ](mi)g(sh)oto?
PԇJavaPԇ}ĿP(gun)£
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