package demo;
import java.util.Scanner;
public class NumberWithStar
{
public static void main(String[] args)
{
int num, z = 1, p, n;
Scanner sc = new Scanner(System.in);
System.out.print("Enter maximum number : ");
//Input 5 for desire output
num = sc.nextInt();
for (int r = 1; r <= num; r++, z = z + 2)
{
for (int c = 1; c <= z; c++)
{
if (c % 2 == 0) {
System.out.print("*");
} else {
System.out.print(r);
}
}
System.out.println();
}
n = num + 3;
p = num - 1;
for (int r = num; r >= 1; r--, n = n - 2, p--)
{
for (int c = 1; c <= n; c++)
{
if (c % 2 == 0) {
System.out.print("*");
} else {
System.out.print(p);
}
}
System.out.println();
}
}
}
Output:
Enter maximum number : 5
1
2*2
3*3*3
4*4*4*4
5*5*5*5*5
4*4*4*4*
3*3*3*
2*2*
1*
BUILD SUCCESSFUL (total time: 5 seconds)
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