Program : Reverse each word of String 
Write a program that takes a string input from the user and then reverse each word of the of the line as entered by the user.
Expected input   : "This is a very good blog"
Expected output : "sihT si a yrev doog golb"

import java.io.*;

public class ReverseString{

public static void main(String args[]){

ReverseString obj = new ReverseString();
String inputString = obj.getStringFromUser();
String outputString = "";
String aux = "";

for(int itr=0;itr<inputString.length();itr++){

// reverse the words if a whitespace occurs.
if(inputString.charAt(itr) == ' '){
outputString += reverseString(aux) + " ";
aux = "";
}
else{ // extract the word from the string
aux += inputString.charAt(itr);
}
}
// reverse the last word of the string
outputString += reverseString(aux);
System.out.println(outputString);
}


public static String reverseString(String str){

String aux = "";
for(int itr = str.length()-1;itr>=0;itr--){
aux += str.charAt(itr);
}
return aux;
}


public String getStringFromUser(){

try{
System.out.println("Enter String to be reversed");
BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
return br.readLine();
}
catch(Exception e){e.printStackTrace();}
return "ekansh";
}

}

Output of the program :
Enter String to be reversed
This is a very good blog
sihT si a yrev doog golb