Java Code Example: nested for loop

In this code example, a nested loop is used to check how often the loops are run through.

class NestedLoop {
    public static void main(String[] args) {
        int a = 5, b = 7, c1 = 0, c2 = 0;

        for (int i = 20; i > a; i--) {
            c1++;
            for (int j = 0; j < b; j++) {
                c2++;
                if (i == j) {
                    System.out.println("How many times the loops are run?");
                    System.out.print("first loop: " + c1 + "\nsecond loop: " 
                            + c2 + " (" + c1 + " * " + b + ")");
                }
            }
        }
    }
}

Output

How many times the loops are run?
first loop: 15
second loop: 105 (15 * 7)