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文章目录String类基本概念String字符串的存储原理String类的常用构造方法String类中常用方法StringBuffer类StringBuilder类String类基本概念String类属于引用数据类型，不属于基本数据类型。在Java中只要是" "(双引号)中的，都是String对象。...

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【java】String类和StringBuffer类常用操作

String类是字符串常量，是不可更改的常量。而StringBuffer是字符串变量，它的对象是可以扩充和修改的。StringBuffer在进行字符串处理时，不生成新的对象，在内存使用上要优于String类。所以在实际使用时，如果经常需要对一个字符串进行修改，例如插入、删除等操作，使用StringB...

Java的字符类String、StringBuffer与StringBuilder异同对比分析

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