Then left. It’s the__________ on the right.
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下面代码运行后的输出结果为( A )。public class X6_1_5 {public static void main(String[] args) {AB aa = new AB();AB bb;bb = aa;System.out.println(bb.equals(aa));}}class AB{ int x = 100; }
A. true
B. false
C. 编译错误
D. 100
执行语句:int[] x = new int[20];后,下面哪个说法是正确的?( )
A. x[19]为空
B. x[19]未定义
C. x[19]为0
D. x[0]为空
Match the English words with its chinese meanings.
对...负责人 be _____________ for