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字符串连接运算符有哪两个?
更新时间: 2021-04-03 11:05:04  

1、连接运算符主要用于连接字符串,其运算符有两个:+,&;

2、&用来强调两个表达式作为字符串连接,如“hello”&23;&word;,结果为“hello23word” 。

3、+连接两个字符串,要求+两端的类型必须一致,如“hello”+23+word,结果会报错“类型不匹配” 因此一般使用&连接两个字符串。

关键词: 字符串 连接 运算符

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