代码点举例
例如下面代码:
//摘自《java核心技术》
String greeting = "Hello"; int n = greeting.length();//5 int cpCount =greeting.codePointCount(0,greeting.length()); char first =greeting.char(0);//H char last = greeting.char(4)//o int index =greeting.offsetbyCodePoints(0,i); int cp = greeting.codePointAt(index);
解释:
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