Criteria to choose among String, StringBuffer and StringBuilder

最新推荐文章于 2020-02-22 23:53:31 发布

原创最新推荐文章于 2020-02-22 23:53:31 发布 · 182 阅读

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本文探讨了在编程中使用String、StringBuilder和StringBuffer进行字符串操作的区别与最佳实践，强调了根据字符串是否可变及并发需求选择合适的数据结构的重要性。

String is immutable ,and StringBuilder ,StringBuffer both of them are mutable,they can change their value
criteria to choose among them
when your text value are not chageable ,you can use the String ,beacuse a String Object is immutable.
when your text value are changeable and unsynchronized ,you can use the StringBuilder ,bease StringBuilder is unsynchronized.StringBuilder is more efficient than the StringBuffer,it will be accessed only with a thread
when your text value are changeable and synchronized ,you can use the StringBuffer
the main methods of the them are append .it will be accessed with mutliple threads