Java Number Pattern 28

Posted in Java Tutorial

Updated on Jan 10, 2024

By Mari Selvan

👁️ 162 - Views

⏳ 4 mins

💬 1 Comment

Photo Credit to CodeToFun

Java Number Pattern 28

Here`s a program that prints the above number pattern using Java Programming:

Demo.java

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public class Demo
{
 public static void main(String[] args)
 {
  int i, j, k;
  for(i=10; i>=1; i--)
  {
   for(j=i; j<10; j++)
    System.out.print(j);
   System.out.print("0");
   for(k=9; k>=i; k--) 
    System.out.print(k);
   System.out.println();
  }
 }
}

💻 Testing the Program

When you run the above program, it will print the following output:

Output

0
909
89098
7890987
678909876
56789098765
4567890987654
345678909876543
23456789098765432
1234567890987654321

🧠 How the Program Works

Let's break down the logic behind the code:

The program defines a class named Demo.
The main method is the entry point of the program.
Three integer variables i, j, and k are declared to be used in the loops.
The outer loop runs from i = 10 to i >= 1, decrementing i by 1 in each iteration. This loop controls the number of rows in the output pattern.
Inside the outer loop, there are two nested loops:
- The first nested loop (for(j = i; j < 10; j++)) iterates over values of j starting from the current value of i up to j = 9. It prints the values of j on the same line.
- After the first nested loop, System.out.print("0"); is used to print a "0" on the same line.
- The second nested loop (for(k = 9; k >= i; k--)) iterates over values of k starting from k = 9 down to the current value of i. It prints the values of k on the same line.
- System.out.println(); is used to move to the next line after each set of values is printed.
As a result, the output forms a pattern with each row consisting of a sequence of numbers, a "0", and then another sequence of numbers, as the loop variables i, j, and k change.

💯 Tips for Enhancement:

Explore the versatility of this pattern by adjusting its parameters. Whether you increase or decrease the size, tweak the spacing, or modify the characters used, each change opens up a world of possibilities, allowing you to customize and create your unique visual effects.

✔ Conclusion:

Creating visually appealing patterns is not only a fun endeavour but also a great way to enhance your programming or design skills. We hope this tutorial has inspired you to explore the world of creative coding. Share your creations with us, and let your imagination run wild!

🤗 Closing Call-to-Action:

We'd love to see your unique interpretations of the number pattern. Share your creations in the comments below, and don't hesitate to reach out if you have any questions or suggestions for future tutorials. Happy coding!