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【单选题】
在Java语言中,负责代码并发执行的机制是( )A.
多线程
B.
虚拟机
C.
代码安全
D.
垃圾回收
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【单选题】Nother matter how low you consider yourself ,there is always someone _________you wishing They were that high.
A.
getting rid of
B.
getting along with
C.
looking up to
D.
looking down upon
【简答题】以下代码可以判断一个字符串是否是回文串,空白处的代码应该是哪个选项?Scanner sc = new Scanner(System.in); String r = sc.next(); String rn = new StringBuilder(r).reverse().toString(); if( ){ System.out.print("true"); }e...
【单选题】The reason ______he was late for class was not the reason ______he gave me.
A.
that ; where
B.
why; because
C.
which; that
D.
why; that
【单选题】My nother acted like a waixiao, an emigrant, ______ patient with old taboos and courtesies
A.
no longer
B.
not longer
C.
not more
【单选题】The reason _______ he gave at the meeting was not the exact reason _______ he failed to show up on time.
A.
why; that
B.
which; that
C.
that; why
D.
that; which
【简答题】以下代码可以判断一个字符串是否是回文串,空白处的代码应该是哪个选项?Scanner sc = new Scanner(System.in); String r = sc.next(); for(int i=0; i< r.length()/2;i++){ if(r.charAt(i) !=r.charAt( )){ System.out.print("false"...
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