How to print this digital table to the console in Java?
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Java
A natural number n is required. I want to print to the console in this format:
1 2 1 3 2 1 4 3 2 1 5 4 3 2 1 . . . n . . . 5 4 3 2 1
Enter 4, which is what I have done so far:
1 21 321 4321
I want to add a space between the numbers This is my code:
import java.util.Scanner; public class PatternTwo { public static void main(String[] args) { Scanner in = new Scanner(system.in); int userInput; System.out.println("Please enter a number 1...9 : "); userInput = in.nextInt(); String s=""; int temp = userInput; for(int i=1; i<=userInput; i++ ) { for (int k= userInput; k>=i; k-- ) { System.out.printf(" "); } for(int j =i; j>=1; j-- ) { System.out.print(j); } System.out.println(""); } } }
Solution
Add a space before the number to be printed and double the space above so that it is not a pyramid Something like this:
import java.util.Scanner; public class PatternTwo { public static void main(String[] args) { Scanner in = new Scanner(system.in); int userInput; System.out.println("Please enter a number 1...9 : "); userInput = in.nextInt(); String s=""; int temp = userInput; for(int i=1; i<=userInput; i++ ) { for (int k= userInput; k>i; k-- ) { // <- corrected condition System.out.printf(" "); } for(int j = i; j>=1; j-- ) { System.out.print(j); // check if not 1 to avoid a trailing space if (j != 1) { System.out.print(" "); } } System.out.println(""); } } }
edit
Thanks / U / shash678 for correcting my solution and removing all unnecessary or wrong spaces
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