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JAVA中的String对象-哈喽酷你-51CTO博客
source link: http://blog.51cto.com/13569660/2068361
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String 对象的特点String对象的数据不可改变！String类型对象封装了一个字符串数组任何的操作也不能改变这个字符数组的内容String s = "123";String ss = s;s = s+"abc";System.out.println(s);//123
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