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How to Print Pattern in Java

Question

How to Print Pattern in Java

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Solution

Sure, here is a simple example of how to print a pattern in Java. We will print a right-angled triangle pattern of asterisks.

Step 1: Open your Java IDE (Integrated Development Environment) like Eclipse, NetBeans, or IntelliJ IDEA.

Step 2: Create a new Java class. You can name it anything you like. For this example, let's name it "PatternExample".

Step 3: In the main method of your class, write the following code:

public class PatternExample {
    public static void main(String[] args) {
        int rows = 5;

        for(int i = 1; i <= rows; ++i) {
            for(int j = 1; j <= i; ++j) {
                System.out.print("* ");
            }
            System.out.println();
        }
    }
}

Step 4: Save and run your program.

This program uses two nested for loops to print the pattern. The outer loop is for the number of rows in the pattern, and the inner loop is for the number of asterisks in each row. The number of asterisks in each row is equal to the current row number.

When you run this program, it will print the following pattern:

* 
* * 
* * * 
* * * * 
* * * * * 

You can change the number of rows in the pattern by changing the value of the "rows" variable.

This problem has been solved

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