package demo;
import java.util.Scanner;
public class NumberPattern
{
public static void main(String[] args)
{
int num, c;
Scanner sc = new Scanner(System.in);
System.out.print("Enter maximum number : ");
num = sc.nextInt();
for (int r = 1; r <= num; r++) {
for (int sp = num - r; sp >= 1; sp--) {
System.out.print(" ");
}
System.out.print(r);
for (int sp = r * 2; sp > 1; sp--) {
System.out.print(" ");
}
System.out.print(r);
System.out.println();
}
for (int r = 1, n = num - 1; r < num; r++, n--) {
for (int sp = r; sp >= 1; sp--) {
System.out.print(" ");
}
System.out.print(n);
for (int sp = n * 2; sp > 1; sp--) {
System.out.print(" ");
}
System.out.print(n);
System.out.println();
}
}
}
Output:
Enter maximum number : 5
1 1
2 2
3 3
4 4
5 5
4 4
3 3
2 2
1 1
BUILD SUCCESSFUL (total time: 3 seconds)
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