HW4.17

 1 import java.util.Scanner;
 2 
 3 public class Solution
 4 {
 5     public static void main(String[] args)
 6     {
 7         Scanner input = new Scanner(System.in);
 8 
 9         System.out.print("Enter the number of lines: ");
10         int numberOfLines = input.nextInt();
11 
12         input.close();
13 
14         for(int i = 1; i <= numberOfLines; i++)
15         {
16             for(int j = numberOfLines - i; j > 0; j--)
17                 System.out.print(" ");
18             for(int j = i; j > 1; j--)
19                 System.out.print(j);
20             for(int j = 1; j <= i; j++)
21                 System.out.print(j);
22             System.out.println();
23         }
24     }
25 }