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Java String substring 源码解析
分析String类中substring方法的使用方式,结合源码探讨其通过指定起始和结束索引截取子字符串的实现原理与内存机制。 9、 substring方法用于截取字符串,需传入两个参数:beginIndex表示截取的起始位置,endIndex表示截取的结束位置。注意,结果包含起始位置字符 ...
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