Java String getBytes() 方法示例

import java.lang.*;

public class StringDemo {

   public static void main(String[] args) {

      try {

         String str1 = "admin";

         System.out.println("string1 = " + str1);



         //copy the contents of the String to a byte array

         byte[] arr = str1.getBytes();

         String str2 = new String(arr);



         //print the contents of the byte array

         System.out.println("new string = " + str2);

      } catch(Exception e) {

         System.out.print(e.toString());

      }

   }

}