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Java Number Pattern 17

Posted in Java Tutorial
Updated on Jan 10, 2024
By Mari Selvan
👁️ 169 - Views
⏳ 4 mins
💬 1 Comment
Java Number Pattern 17

Photo Credit to CodeToFun

Java Number Pattern 17

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;
  for(i=1; i<=10; i+=2) 
  {
   for(j=i; j<=10; j+=2)
    System.out.print(j);
   System.out.println();
  }
 }
}

💻 Testing the Program

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

Output
13579
3579
579
79
9

🧠 How the Program Works

Let's break down the logic behind the code:

  1. The program starts by defining a class named Demo.
  2. Inside the class, the main method is defined with the standard signature: public static void main(String[] args)
  3. Two integer variables i and j are declared outside of the loops. These variables will be used to control the loops and print the sequence of numbers.
  4. The outer loop: for(i=1; i<=10; i+=2) iterates through odd numbers starting from 1 up to 10. It increments i by 2 in each iteration. This loop controls the number of rows in the output.
  5. Inside the outer loop, there's an inner loop: for(j=i; j<=10; j+=2) that iterates through odd numbers starting from the current value of i up to 10. It also increments j by 2 in each iteration. This loop controls the number of columns in each row of the output.
  6. Within the inner loop, the statement System.out.print(j); is used to print the value of j (which is the current odd number) without a newline character. This will print the odd numbers on the same line.
  7. After the inner loop completes, the statement System.out.println(); is used to print a newline character. This will move the printing to the next line, so the next row of odd numbers will be printed on a new line.
  8. The inner loop will continue to execute for each value of i determined by the outer loop. Since the outer loop increments i by 2 in each iteration, the inner loop will print a sequence of odd numbers that starts from the current value of i and goes up to 10, again with increments of 2.
  9. The entire process repeats until the outer loop finishes its iterations (i.e., until i becomes greater than 10).

💯 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!

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Author

author
👋 Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
1 year ago

If you have any doubts regarding this article (Java Number Pattern 17), please comment here. I will help you immediately.

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