Java string面试题的相关内容

Java中String类中常用的方法(附带相关面试题)

1.了解反射什么是反射，反射有什么作用1.在Java中，反射是一种机制，允许程序在运行时动态地获取、使用和修改类的信息。通过反射，可以在编译时不知道类的具体信息的情况下，操作和查看类的属性、方法和构造函数等。2.反射有以下几个主要的作用：动态加载类：使用反射可以在运行时动态地加载需要使用的类...

Java中String类中常用的方法(附带相关面试题)

在java中String并不是基本数据类型，其本质是一个类字符串在Java程序中占据着非常重要的地位，所以掌握其中相关方法也非常重要，并且在面试中也是其中的一个重点知识内容以下是java中String常用的方法：一.字符串的转化常用方法：转换方法描述string.charAt(number)返回字符...

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Java的String面试题（记录）

简单总结一下：直接赋值而不是使用new关键字给字符串初始化，在编译时就将String对象放进字符串常量池中；使用new关键字初始化字符串时，是在堆栈区存放变量名和内容；字符串的拼接操作在程序运行时，才在堆中创建对象。一般，可以认为使用""比较的是引用，equals比较的...

金九银十，收下这份 Java String 面试题

学习路线图：1. C 和 Java 中字符串和字符数组的对比1.1 内存表示不同在 C 语言中，字符串和字符数组相同。字符串本质上是以 \0 为结束符的字符数组字符数组，因此字符串和字符数组在本质上相同，都是一块连续的内存空间，以需要转义 \0 为结束符。C 语言是不关心 char[] 里存储字符的...

Java中创建String的两道面试题及详解

我们知道创建一个String类型的变量一般有以下两种方法：String str1 = "abcd"; String str2 = new String("abcd");那么为什么会存在这两种创建方式呢，它们在内存中的表现形式各有什么区别？下面来看下面两道经常遇到的面试题。面试题1：String...

Java中创建String的两道面试题及详解

我们知道创建一个String类型的变量一般有以下两种方法： String str1 = "abcd"; String str2 = new String("abcd"); 那么为什么会存在这两种创建方式呢，它们在内存中的表现形式各有什么区别？下面来看下面两道经常遇到的面试题。面试题1： Stri...

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