Java核心类

廖雪峰

资深软件开发工程师，业余马拉松选手。

本节我们将介绍Java的核心类，包括：

字符串

StringBuilder

StringJoiner

包装类型

JavaBean

枚举

常用工具类

模块

字符串和编码

${user_name} @ ${created_at} ${delete_action}

${content}

${comment_replies}

${comment_action}

${comment_reply_form}

Write

Write

Preview

Preview

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