public byte[] getBytes(String charsetName) throws UnsupportedEncodingException

import java.io.*;
public class Test {

   public static void main(String args[]) {
      String Str1 = new String("Welcome to Tutorialspoint.com");
      try {
         String Str2 = new String(Str1.getBytes( "UTF-8" ));
         System.out.println("Returned Value " + Str2 );
         Str2 = new String (Str1.getBytes( "ISO-8859-1" ));
         System.out.println("Returned Value " + Str2 );
      } catch ( UnsupportedEncodingException e) {
         System.out.println("Unsupported character set");
      }
   }
}

Returned Value Welcome to Tutorialspoint.com
Returned Value Welcome to Tutorialspoint.com