java_函数手册_String_1.2_codePointAt_提取索引字符代码点

Posted 2020-10-28 alm

 1 package calssString;
 2 
 3 public class codePointAt___1_2 {
 4     public static void main(String []args){
 5         /**
 6          * 返回指定索引处的字符代码
 7          */
 8 
 9         String strCom = "I LIKE JAVA";
10         int strLower = strCom.codePointAt(8);
11         System.out.println(strLower);
12 
13         strCom = "I LIKE J爱VA";
14         strLower = strCom.codePointAt(8);
15         System.out.println(strLower);
16 
17         strCom = "I LIKE J1VA";
18         strLower = strCom.codePointAt(8);
19         System.out.println(strLower);
20     }
21 }