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	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#面向对象基础
	https://github.com/ChinaAIIT/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/ChinaAIIT/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
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#对象的相等和引用相等的区别
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#类的构造方法的作用是什么
	https://github.com/ChinaAIIT/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/ChinaAIIT/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/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#面向对象三大特征
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#封装
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#继承
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#多态
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#接口和抽象类有什么共同点和区别
	https://github.com/ChinaAIIT/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/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#java-常见类
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#object
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#object-类的常见方法有哪些
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#-和-equals-的区别
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#hashcode-有什么用
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#为什么要有-hashcode
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#为什么重写-equals-时必须重写-hashcode-方法
Java hashCode() 和 equals()的若干问题解答	https://www.cnblogs.com/skywang12345/p/3324958.html
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#string
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#stringstringbufferstringbuilder-的区别
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#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
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https://openjdk.java.net/jeps/254	https://openjdk.java.net/jeps/254
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	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#字符串常量池的作用了解吗
Java 内存区域详解	https://javaguide.cn/java/jvm/memory-area.html
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#string-s1--new-stringabc这句话创建了几个字符串对象
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	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#intern-方法有什么作用
	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#string-类型的变量和常量做运算时发生了什么
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	https://github.com/ChinaAIIT/JavaGuide/blob/main/docs/java/basis/java-basic-questions-02.md#参考
https://tech.meituan.com/2014/03/06/in-depth-understanding-string-intern.html	https://tech.meituan.com/2014/03/06/in-depth-understanding-string-intern.html
https://www.zhihu.com/question/55976094/answer/147302764	https://www.zhihu.com/question/55976094/answer/147302764
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