Given a string,S , of length that is indexed from 0 to N-1 , print its even-indexed and odd-indexed characters as space-separated strings on a single line . Note:0 is considered to be an even index.

String.java

import java.util.Scanner;

public class Day6{
    
     public static void main(String[] args){
         Scanner input = new Scanner(System.in);
         int n = input.nextInt();
        input.nextLine();
         String[] words = new String[n];
         StringBuffer even = new StringBuffer();
         StringBuffer odd = new StringBuffer();
         
         for (int i=0; i<n; i++){
             words[i] = input.nextLine();
             
             for (int j=0; j<words[i].length(); j++){
                 if (j%2==0){
                     even.append(words[i].charAt(j));
                 
                 }else {
                 odd.append(words[i].charAt(j));
                 }
             }
             
             System.out.println(even+" "+odd);
             even.delete(0,even.length());
             odd.delete(0, odd.length());
             
         }
        
     }
        
    }