Word Reverse

import java.util.*;
class WordReverse
{
    public static void main(String Args[])
    {
        int l=0;
        String str="",rev="";
        char ch=' ';
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter a word: ");
        str=sc.next();
        str=str.trim();
        l=str.length();
        for(int i=0;i<l;i++)
        {
            ch=str.charAt(i);
            rev=ch+rev;
        }
        System.out.println("Reverse of the word is: "+rev);
    }
}