StringBuilder substring
时间: 2023-11-07 07:15:16 浏览: 35
StringBuilder的substring方法可以用来截取当前字符串中指定范围的子字符串。该方法接受两个参数,分别是起始索引和结束索引(不包含在内)。调用substring方法后,会返回一个新的StringBuilder对象,其中包含了原始字符串中指定范围的字符序列。这样可以方便地获取字符串的部分内容,用于后续的处理或操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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