Reverse each word in a given sentence in java.

 package program;

import java.util.Scanner;

public class code{

public static void reverse(StringBuilder sb, int i, int j){

    while(i<j){

    char t = sb.charAt(i);

    sb.setCharAt(i,sb.charAt(j));

    sb.setCharAt(j,t);

    i++;

    j--;

}

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("enter sentence=");

StringBuilder sb = new StringBuilder(sc.nextLine());

int n = sb.length();

int i=0,j=0;

while(j<n){

    if(sb.charAt(j)!=' ')

        j++;

    else{

         reverse(sb, i, j-1);

         i=j+1;

         j=i;

    }

}

reverse(sb, i,j-1);

System.out.println("reverse sentence is=");

System.out.println(sb);

}  

}