Write a Java program to print K shape number pattern using a for loop with an example.
import java.util.Scanner;
public class KshapeNumber1 {
private static Scanner sc;
public static void main(String[] args) {
sc = new Scanner(System.in);
int i, j;
System.out.print("Enter K Shape Number Pattern Rows = ");
int rows = sc.nextInt();
System.out.println("Printing K Shape Numbers Pattern");
for (i = rows; i >= 1; i-- )
{
for (j = 1 ; j <= i; j++ )
{
System.out.print(j+ " ");
}
System.out.println();
}
for (i = 2 ; i <= rows; i++ )
{
for (j = 1 ; j <= i; j++ )
{
System.out.print(j+ " ");
}
System.out.println();
}
}
}
This Java Program displays the K Shape Pattern of Numbers using a while loop.
import java.util.Scanner;
public class KshapeNumber2 {
private static Scanner sc;
public static void main(String[] args) {
sc = new Scanner(System.in);
System.out.print("Enter Rows = ");
int rows = sc.nextInt();
int i = rows, j;
while (i >= 1 )
{
j = 1 ;
while (j <= i )
{
System.out.print(j+ " ");
j++;
}
System.out.println();
i--;
}
i = 2 ;
while( i <= rows )
{
j = 1 ;
while (j <= i )
{
System.out.print(j+ " ");
j++;
}
System.out.println();
i++;
}
}
}
Enter Rows = 9
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4 5 6
1 2 3 4 5 6 7
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9 Java Program to Print K Shape Number Pattern using do while loop.
import java.util.Scanner;
public class KshapeNumber3 {
private static Scanner sc;
public static void main(String[] args) {
sc = new Scanner(System.in);
System.out.print("Enter Rows = ");
int rows = sc.nextInt();
int i = rows, j;
do
{
j = 1 ;
do
{
System.out.print(j+ " ");
} while (++j <= i );
System.out.println();
} while (--i >= 1 );
i = 2 ;
do
{
j = 1 ;
do
{
System.out.print(j+ " ");
} while (++j <= i );
System.out.println();
} while( ++i <= rows );
}
}
Enter Rows = 12
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7
1 2 3 4 5 6
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4 5 6
1 2 3 4 5 6 7
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 11
1 2 3 4 5 6 7 8 9 10 11 12