有如下代码： String str, str1; str="This is a string"; str1=str; str1="String"; str=str1; str1="String1"; 此时str的值会怎样：（） -题库考试答案搜索网

有如下代码： String str, str1; str="This is a string"; str1=str; str1="String"; str=str1; str1="String1"; 此时str的值会怎样：（）

单选题

2021-09-01 23:07

A、str不变
B、"String"
C、"String1"
D、不清楚

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正确答案

B

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标签：青书学堂东北林业大学 JAVA程序设计(专升本)

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