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nested loop

Certainly! Here is an example of a nested loop in Java:

public class NestedLoopExample {
    public static void main(String[] args) {
        // Outer loop
        for (int i = 1; i <= 3; i++) {
            System.out.println("Outer loop iteration: " + i);

            // Inner loop
            for (int j = 1; j <= 2; j++) {
                System.out.println("  Inner loop iteration: " + j);
            }
        }
    }
}

Output:

Outer loop iteration: 1
  Inner loop iteration: 1
  Inner loop iteration: 2
Outer loop iteration: 2
  Inner loop iteration: 1
  Inner loop iteration: 2
Outer loop iteration: 3
  Inner loop iteration: 1
  Inner loop iteration: 2

In this example, the outer loop runs 3 times, and for each iteration of the outer loop, the inner loop runs 2 times. This demonstrates how nested loops work in Java.

Loop reduces the program code.

Using loops in programming helps to reduce redundancy by allowing a set of instructions to be executed repeatedly without having to write the same code multiple times. This makes the code more concise and easier to maintain.