1 package calssString;
 2 
 3 public class codePointAt___1_2 {
 4     public static void main(String []args){
 5         /**
 6          * 返回指定索引處的字符代碼
 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愛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 }

java_函數手冊_String_1.2_codePointAt_提取索引字符代碼點