题目内容
(请给出正确答案)
[主观题]
下列程序段的输出结果是String MyStr = "Hello,";MyStr = MyStr + "World!";System.out.println(
下列程序段的输出结果是 String MyStr = "Hello,"; MyStr = MyStr + "World!"; System.out.println(MyStr);
A.Hello,World!
B.Hello,
C.World!
D.该程序段有语法错误
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