java中string类型减法
时间: 2023-11-20 13:14:22 浏览: 82
在Java中,String类型是不支持直接减法操作的。String类型是用来表示文本的,它是不可变的,也就是说一旦创建就不能修改。如果需要对字符串进行减法操作,可以使用字符串的replace()方法或者正则表达式来实现。replace()方法可以用来替换字符串中的某些字符或者子串,而正则表达式可以用来匹配和替换字符串中符合某种规则的部分。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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