String isNotEmpty
时间: 2023-09-03 08:16:07 浏览: 94
如何解决java中遇到的for input string: "" 报错问题
StringUtils工具包中的isNotEmpty方法用于判断一个字符串是否非空,即长度大于0。 该方法等价于str != null && str.length() > 0。 示例中的a=" "的情况下,isNotEmpty的返回值为true,因为字符串长度大于0。 因此,String isNotEmpty指的是判断一个字符串是否非空。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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