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Open Graph Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - lslevy/JavaGuide

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	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#面向对象基础
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#面向对象和面向过程的区别
面向过程：面向过程性能比面向对象高？？	https://github.com/Snailclimb/JavaGuide/issues/431
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#成员变量与局部变量的区别有哪些
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#创建一个对象用什么运算符对象实体与对象引用有何不同
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	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#一个类的构造方法的作用是什么
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#如果一个类没有声明构造方法该程序能正确执行吗
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#构造方法有哪些特点是否可被-override
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#面向对象三大特征
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#封装
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	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#深拷贝和浅拷贝区别了解吗什么是引用拷贝
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	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#string
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#stringstringbufferstringbuilder-的区别string-为什么是不可变的
如何理解 String 类型值的不可变？ - 知乎提问	https://www.zhihu.com/question/20618891/answer/114125846
issue 675	https://github.com/Snailclimb/JavaGuide/issues/675
	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#字符串拼接用-还是-stringbuilder
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	https://github.com/lslevy/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#字符串常量池的作用了解吗
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