Top 10 Different Star Pattern Programs in Java5 min read

This post focuses on the various Java pattern program specifically Top 10 Different Star Pattern Programs in Java. Patterns are one of the easiest ways to improve the coding skills for java. The frequent use of loops can increase your skills and printing pattern in order. This article covers various star patterns. Other are:

Let’s begin:

Printing Star Patterns in Java

Pattern programs in java: Pattern 1

1
2
3
4
5
6
7
Half Pyramid:
*
* *
* * *
* * * *
* * * * *
* * * * * *

Lets understand the coding.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
//Pattern half Pyramid
 
public class Pattern1
{
    public static void main(String[] args)
    {
      int row = 6;
      System.out.println("Half Pyramid:");
 
      for(int i = 1; i <= row; ++i)
      {
        for(int j = 1; j <= i; ++j)
        {
          System.out.print("* ");
        }
       System.out.println();
      }
    }
}

Pattern programs in java: Pattern 2

1
2
3
4
5
6
7
Inverted Half Pyramid:
* * * * * *
* * * * *
* * * *
* * *
* *
*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
//Pattern Inverted Half Pyramid
 
public class Pattern2
{
  public static void main(String[] args)
  {
    int rows = 6;
    System.out.println("Inverted Half Pyramid:");
    for(int i = rows; i >= 1; --i)
    {
        for(int j = 1; j <= i; ++j)
        {
            System.out.print("* ");
        }
        System.out.println();
    }
  }
}

Pattern programs in java: Pattern 3

1
2
3
4
5
6
      *
     ***
    *****
   *******
  *********
***********
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
//Pattern full pyramid
 
public class Main
{
  public static void main(String[] args)  
  {  
    int rows = 6;  
    
    System.out.println();  
    
    for (int i = 0; i < rows + 1; i++)
    {
    for (int j = rows; j > i; j--)
    {  
            System.out.print(" ");  
        }  
        for (int k = 0; k < (2 * i - 1); k++)
        {  
            System.out.print("*");  
        }  
        System.out.println();  
    }  
  }  
}

Pattern programs in java: Pattern 4

1
2
3
4
5
6
Enter the number of rows: 5
* * * * *
* * * *
  * * *
   * *
    *
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
import java.util.Scanner;
 
public class pattern4
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i= 0; i<= rows-1 ; i++)
    {
        for (int j=0; j<=i; j++)
        {
            System.out.print(" ");
        }
        for (int k=0; k<=rows-1-i; k++)
        {
            System.out.print("*" + " ");
        }
        System.out.println();
    }
 
    sc.close();
 
  }
}

Pattern programs in java: Pattern 5

1
2
3
4
5
6
7
8
9
10
Enter the number of rows: 5
     *
    * *
   * * *
  * * * *
* * * * *
  * * * *
   * * *
    * *
     *
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
import java.util.Scanner;
 
public class Pattern5
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i= 0; i<= rows-1 ; i++)
    {
        for (int j=rows-1; j>=i; j--)
        {
            System.out.print(" ");
        }
        for (int k=0; k<=i; k++)
        {
            System.out.print("*" + " ");
        }
        System.out.println("");
    }
    for (int i= 0; i<= rows-1 ; i++)
    {
        for (int j=-1; j<=i; j++)
        {
            System.out.print(" ");
        }
        for (int k=0; k<=rows-2-i; k++)
        {
            System.out.print("*" + " ");
        }
        System.out.println("");
    }
 
    sc.close();
 
  }
}

Pattern programs in java: Pattern 6

The half diamond pattern in java.

1
2
3
4
5
6
7
8
9
10
Enter the number of rows: 5
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
import java.util.Scanner;
 
public class Pattern6
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i= 0; i<= rows-1 ; i++)
    {
        for (int j=0; j<=i; j++)
        {
          System.out.print("*"+ " ");
            
        }
    System.out.println("");
        
    }
        
    for (int i=rows-1; i>=0; i--)
    {
        for(int j=0; j <= i-1;j++)
        {
            System.out.print("*"+ " ");
        }
     System.out.println("");
    }
    sc.close();
 
  }
}

Pattern programs in java: Pattern 7

The left half diamond pattern in java.

1
2
3
4
5
6
7
8
9
10
Enter the number of rows: 5
    *
   **
  ***
****
*****
****
  ***
   **
    *
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
import java.util.Scanner;
 
public class Pattern7
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i= 1; i<= rows ; i++)
    {
        for (int j=i; j < rows ;j++)            
        {
            System.out.print(" ");
        }
        for (int k=1; k<=i;k++)
        {
            System.out.print("*");
        }
        System.out.println("");
    }
    for (int i=rows; i>=1; i--)
    {
        for(int j=i; j<=rows;j++)
        {
            System.out.print(" ");
        }
        for(int k=1; k<i ;k++)
        {
            System.out.print("*");
        }
        System.out.println("");
 
    }
    sc.close();
 
  }
}

Pattern programs in java: Pattern 8

Half hourglass pattern in java

1
2
3
4
5
6
7
8
9
10
11
Enter the number of rows: 5
* * * * *
* * * *
* * *
* *
*
*
* *
* * *
* * * *
* * * * *
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
import java.util.Scanner;
 
public class Pattern8
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i= rows-1; i>= 0; i--)
    {
        for (int j=i; j>=0; j--)
        {
            System.out.print("*"+ " ");
        }
        System.out.println("");
    }
    for (int i=0; i<= rows-1; i++)
    {
        for(int j=i; j >= 0;j--)
        {
            System.out.print("*"+ " ");
        }
        System.out.println("");
    }
    sc.close();
 
  }
}

Pattern programs in java: Pattern 9

Hourglass pattern in java.

1
2
3
4
5
6
7
8
9
10
11
Enter the number of rows: 5
* * * * *
* * * *
  * * *
   * *
    *
    *
   * *
  * * *
* * * *
* * * * *
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
import java.util.Scanner;
 
public class Pattern9
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i= 0; i<= rows-1 ; i++)
    {
        for (int j=0; j <i; j++)
        {
          System.out.print(" ");
        }
        for (int k=i; k<=rows-1; k++)
        {
          System.out.print("*" + " ");
            
        }
     System.out.println("");
    }
        
    for (int i= rows-1; i>= 0; i--)
    {
        for (int j=0; j< i ;j++)
        {
          System.out.print(" ");
        }
        for (int k=i; k<=rows-1; k++)
        {
          System.out.print("*" + " ");
        }
     System.out.println("");
    }
 
    sc.close();
 
  }
}

Pattern programs in java: Pattern 10

Hollow triangle star pattern in java.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
import java.util.Scanner;
 
public class Pattern10
{
  public static void main(String[] args)
  {
    Scanner sc = new Scanner(System.in);
 
    System.out.print("Enter the number of rows: ");
    int rows = sc.nextInt();
 
    for (int i=1; i<= rows ; i++)
    {
        for (int j = i; j < rows ; j++)
        {
            System.out.print(" ");
        }  
        for (int k = 1; k <= (2*i -1) ;k++)
        {
            if( k==1 || i == rows || k==(2*i-1))
            {
                System.out.print("*");
            }
            else
            {
                System.out.print(" ");
            }
        }
        System.out.println("");
    }
 
    sc.close();
 
  }
}

MORE

Java Program to find the sum of the Largest Forward Diagonal

in this tutorial, we will write a java program to find the sum of the Largest Forward Diagonal in an Arraylist (matrix). Java Program to …

Read More

C Program to search an element in an array using Pointers

A separate function( search_function()) will be created where the array pointer will be declared and the searched element along with the size of an array …

Read More

C Program to find the sum of the digits of a number using recursion function

This C program calculates the sum of digits of a given number using recursion. Here’s a concise explanation: Function Definition: sumDigits(int n) This function calculates …

Read More

C program to find factorial of a number using Ternary operator with Recursion

Recursion refers to the function calling itself directly or in a cycle. Before we begin, you should have the knowledge of following in C Programming: …

Read More

C Program to Add Two Numbers Using Call by Reference

The program takes the two numbers from the user and passes the reference to the function where the sum is calculated. You may go through …

Read More

Find the output ab, cd, ef, g for the input a,b,c,d,e,f,g in Javascript and Python

In this tutorial, we will write a program to find a pairs of elements from an array such that for the input [a,b,c,d,e,f,g] we will …

Read More