System.out.printf() use of String Format

import java.lang.*;
import java.io.*;
import java.util.*;

public class UdemyClasses
{
	public static void main(String args[])
	{ 

		Scanner sc = new Scanner(System.in);
		for(int i=0;i<3;i++)
        {
            String s1=sc.next();
            int x=sc.nextInt();
        
            System.out.printf("%-15s%03d%n", s1, x);
        }
	}
}