Question

 Complete this program so that it prints the given word with the first and last character interchanged. For example, if word is "tool", then produce "loot".

 Words.java

Answer 1

import java.util.Scanner;

public class Words {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String word = in.next();

        if(word.length()>=2){
            char first = word.charAt(0);
            char last = word.charAt(word.length()-1);
            word = word.substring(1,word.length()-1);
            word = last+word+first;
        }

        System.out.println(word);
    }
}