How to convert String to bytearray and bytearray to String in android

Converting string to byte array

public static byte[] convertStirngToByteArray(String s)
 {
 byte[] byteArray = null;
 if(s!=null)
 {
 if(s.length()>0)
 {
 try
 {
 byteArray = s.getBytes();
 } catch (Exception e)
 {
 e.printStackTrace();
 }
 }
 }
 return byteArray;
 }

Converting byte array to string

 public static String convertByteArrayToString(byte[] byteArray)
 {
 String s = null;
 if(byteArray!=null)
 {
 if(byteArray.length>0)
 {
 try
 {
 s = new String(byteArray,"UTF-8");
 }
 catch (Exception e)
 {
 e.printStackTrace();
 }
 }
 }
 return s;
 }

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