Java字符串类-阿里云

Java 学习博客_6 入门——字符串类

APIJDK 中提供了实现各种功能的封装类，供我们使用。就像灯的开关，我们只用知道按下开关就能开灯关灯，并不需要弄明白底层原理如何实现。可以下载一个 java 帮助文档，在其中搜索这些类的具体使用方法。（点击索引，打开输入框如果只有左侧目录显示，右侧不显示：右键帮助文档-属性-常规-最下面解除锁定重...

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Java:字符串类简单的正则表达式

1 class Test 2 { 3 public static void main(String[] args) 4 { 5 String str = "xia..as....yuan.com"; 6 7 //判断 8 boolean b1 = str.endsWith(".com"); 9 .....

Java：字符串类String的功能介绍

在java中，字符串是一个比较常用的类，因为代码中基本上处理的很多数据都是字符串类型的，因此，掌握字符串类的具体用法显得很重要了。它的主要功能有如下几种：获取、判断、转换、替换、切割、字串的获取、大小写转换、去除空格、比较等下面的演示都在StringTest类中进行 class StringTe...

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更新时间 2022-12-30 18:49:44

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