CharSequence []和String []之间有什么区别? [英] What is the difference between CharSequence[] and a String[]?
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问题描述
CharSequence []
和 String []
之间有什么区别?
推荐答案
字符串实现 CharSequence 界面。 CharSequence由String实现,但也有CharBuffer,Segment,StringBuffer,StringBuilder。
String implements the CharSequence interface. CharSequence is implemented by String, but also CharBuffer, Segment, StringBuffer, StringBuilder.
所以String []和CharSequence []基本相同。但是CharSequence是抽象,String是实现。
So a String[] and a CharSequence[] is essentially the same. But CharSequence is the abstraction, and String is the implementation.
顺便说一下,'[]'表示对象的数组。所以 String []
是一个字符串数组。而String本身就是一个字符数组。
By the way, '[]' denotes an array of objects. So String[]
is an array of strings. And String itself is an array of characters.
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