Given a string, of length that is indexed from to , print its even-indexed and odd-indexed characters as space-separated strings on a single line

Given a string,  of length  that is indexed from  to , print its even-indexed and odd-indexed characters as  space-separated strings on a single line 

I/P:

2
Hacker
Rank

O/P:

Hce akr
Rn ak

SOLUTION:

package Strings;

import java.util.*;

class oddevepositioncharacter{

    public static void main(String[] args) {

        

        Scanner sc=new Scanner(System.in);

        int t=sc.nextInt();

        for(int j=0;j<t;j++)

        {

            String s1=sc.next();

            for(int i=0;i<s1.length();i++)

            {

                if(i%2==0)

                {

                    System.out.print(s1.charAt(i));

                }

            }

            System.out.print(" ");

              for(int i=0;i<s1.length();i++)

            {

                if(i%2!=0)

                {

                    System.out.print(s1.charAt(i));

                }

            }

            System.out.println();

            

            

        }

    }

}