public class HelloWorld

{

   public static void main(String[] argv){

     try{

       System.out.println("中文");//1

       System.out.println("中文".getBytes());//2

       System.out.println("中文".getBytes("GB2312"));//3

       System.out.println("中文".getBytes("ISO8859_1"));//4

       System.out.println(new String("中文".getBytes()));//5

       System.out.println(new String("中文".getBytes(),"GB2312"));//6

       System.out.println(new String("中文".getBytes(),"ISO8859_1"));//7

       System.out.println(new String("中文".getBytes("GB2312")));//8

       System.out.println(new String("中文".getBytes("GB2312"),"GB2312"));//9

       System.out.println(new String("中文".getBytes("GB2312"),"ISO8859_1"));//10

       System.out.println(new String("中文".getBytes("ISO8859_1")));//11

       System.out.println(new String("中文".getBytes("ISO8859_1"),"GB2312"));//12

       System.out.println(new String("中文".getBytes("ISO8859_1"),"ISO8859_1"));//13

     }

     catch(Exception e){

       e.printStackTrace();

     }

   }

}