Nested for Loops in Java

Chapter 10

Nested for Loops in Java

Class 10 - Logix Kips ICSE Computer Applications with BlueJ

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Java Program: Java Program to Display the Pattern

2 (v). Write a program in Java to display the following patterns.

Java Program: Java Program to Display the Pattern

public class ReverseStarNumberPattern {
    public static void main(String[] args) {
 
        for (int i = 5; i >= 1; i--) {
 
            for (int j = 1; j <= i - 1; j++) {
                System.out.print("$ ");
            }
 
            System.out.println(i);
        }
    }
}

$ $ $ $ 5
$ $ $ 4
$ $ 3
$ 2
1

✅ Explanation

🔹 Outer Loop (i)

• Runs from 5 down to 1.
• Controls both:
• Number of $ symbols
• The number printed at the end of each row

🔹 Inner Loop (j)

for (int j = 1; j <= i - 1; j++)

• Prints $ exactly (i − 1) times in each row.

🔹 Printing the Number

System.out.println(i);

• Prints the value of i at the end of each row.

✅ Key Concepts Used

✔ Nested for loops
✔ Reverse counting
✔ Pattern formatting