前言
写这篇文章的目的是为了记录一下学习笔记,其次为了能够在复习的时候快速掌握相关知识。本篇记录java8系列专栏之字符串
正文
StringJoiner
详解
拼接字符串
用法
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| //不指定前缀和后缀 StringJoiner stringJoiner = new StringJoiner(","); //指定前缀和后缀 //StringJoiner stringJoiner = new StringJoiner(",","{","}"); List<String> list = Arrays.asList("a","b","c"); list.forEach(str->stringJoiner.add(str));
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String.join
详解
拼接字符串,缺点是无法指定前缀和后缀
用法
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| List<String> list = Arrays.asList("a","b","c"); System.out.println(String.join(",", list));
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参考
- Java8(2):JDK 对字符串连接的改进