Palindrome program in java using for loop

package javaprgms;

public class PalindromeDemo{ 

            public static void main(String[] args) {

                        String str="MADAM";

                        String revstring="";

                        for(int i=str.length()-1;i>=0;--i){

                                    revstring +=str.charAt(i);

                        }

                        System.out.println(revstring);

                        if(revstring.equalsIgnoreCase(str)){

                                    System.out.println("The string is Palindrome");

                        }

                        else{

                                    System.out.println("Not Palindrome");

                        }

            }

}

Output:

MADAM

The string is Palindrome