下列程序段的输出结果是 String MyStr = "Hello,"; MyStr
问题:
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
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