java pyramid pattern

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

1
2        1
3      2 3 2
4    3 4 5 4 3
5  4 5 6 7 6 5 4
65 6 7 8 9 8 7 6 5

1public class Main {
2
3  public static void main(String[] args) {
4    int rows = 5, k = 0, count = 0, count1 = 0;
5
6    for (int i = 1; i <= rows; ++i) {
7      for (int space = 1; space <= rows - i; ++space) {
8        System.out.print("  ");
9        ++count;
10      }
11
12      while (k != 2 * i - 1) {
13        if (count <= rows - 1) {
14          System.out.print((i + k) + " ");
15          ++count;
16        } else {
17          ++count1;
18          System.out.print((i + k - 2 * count1) + " ");
19        }
20
21        ++k;
22      }
23      count1 = count = k = 0;
24
25      System.out.println();
26    }
27  }
28}

1// Java implementation to print the 
2// following pyramid pattern 
3public class Pyramid_Pattern { 
4  
5    // function to print the following pyramid 
6    // pattern 
7    static void printPattern(int n) 
8    { 
9        int j, k = 0; 
10  
11        // loop to decide the row number 
12        for (int i = 1; i <= n; i++) { 
13              
14            // if row number is odd 
15            if (i % 2 != 0) { 
16              
17                // print numbers with the '*'  
18                // sign in increasing order 
19                for (j = k + 1; j < k + i; j++) 
20                    System.out.print(j + "*"); 
21                System.out.println(j++); 
22  
23                // update value of 'k' 
24                k = j; 
25            } 
26  
27            // if row number is even 
28            else { 
29                 
30                // update value of 'k' 
31                k = k + i - 1; 
32  
33                // print numbers with the '*' in 
34                // decreasing order 
35                for (j = k; j > k - i + 1; j--) 
36                    System.out.print(j + "*"); 
37                System.out.println(j); 
38            } 
39        } 
40    } 
41  
42    // Driver program to test above 
43public static void main(String args[]) 
44    { 
45        int n = 5; 
46        printPattern(n); 
47    } 
48}