Java基础字符串的相关内容

【JAVA基础】StringBuffer：字符串的兄弟，你认识吗？

一、StringBuffer 介绍java.lang包下的StringBuffer类，代表着可变的字符序列，可以用来对字符串内容进行增删改操作。同时它是线程安全的，效率称不上高。StringBuffer类当中的许多方法都是与String相同的，是字符串相关的类，所以我称他为字符串的兄弟…。但是两兄弟...

Java基础 | 字符串（下）

（三）StringBuilder1.概述（1）StringBuilder是干什么的如果对字符串进行拼接操作，每次拼接，都会构建一个新的String独享，既耗时，又浪费空间，而且这种操作还无法避免。所以Java提供了一种更好的解决方式就是使用StringBuilder类（2）String和String...

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Java基础 | 字符串（上）

字符串（一）API1.概述API（Application Programming Interface）:应用程序编程接口Java API :指的就是JDK中提供的各种功能的Java类这些类将底层的实现封装了起来，我们不需要关心这些类是如何实现的，只需要学习这些类如何使用即可，我们可以通过帮助文档来学...

[Java 基础]字符串

String类实例化String对象 String 对象初始化方式有多种。如下代码中，各种初始化方式的效果是一样的，初始化后，String 对象的内容为 "hello" 。 public static void main(String[] args)&nb...

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