char\byte\String

byte:字节/char:字符/String:字符串
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 1 package com.app;
 2 
 3 public class app {
 4 
 5     /**
 6      * @param args
 7 */
 8     public static void main(String[] args) {
 9         // TODO Auto-generated method stub
10         String str1 = "hello, world!!";
11         String str2 = "你好!!";
12         String str3 = "hello,world 你好!!";
13             
14         char[] carray;
15         carray = str2.toCharArray();
16         for(int i = 0; i < carray.length; i++){
17             System.out.println(carray[i]);
18         }
19         
20         byte[] array;
21         array = str1.getBytes();
22         for(int i = 0; i < array.length; i++){
23             System.out.println((char)array[i]);
24         }
25         
26         char[] carray1;
27         carray1 = str3.toCharArray();
28         for(int i = 0; i < carray1.length; i++){
29             System.out.println(carray1[i]);
30         }
31     }
32 }