public class Example
{
   public void reverseWordInMyString(String str)
   {
  /* The split() method of String class splits
   * a string in several strings based on the
   * delimiter passed as an argument to it
   */
  String[] words = str.split(" ");
  String reversedString = "";
  for (int i = 0; i < words.length; i++)
        {
           String word = words[i]; 
           String reverseWord = "";
           for (int j = word.length()-1; j >= 0; j--) 
     {
    /* The charAt() function returns the character
     * at the given position in a string
     */
    reverseWord = reverseWord + word.charAt(j);
     }
     reversedString = reversedString + reverseWord + " ";
  }
  System.out.println(str);
  System.out.println(reversedString);
   }
   public static void main(String[] args) 
   {
  Example obj = new Example();
  obj.reverseWordInMyString("Welcome to aimtocode");
  obj.reverseWordInMyString("This is an easy Java Program");
   }
}