Programming Example

Program to print fibonacci series using for loop

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Program to print Fibonacci series using for loop:

Program Code

public class JavaExample {

    public static void main(String[] args) {

        int count = 7, num1 = 0, num2 = 1;
        System.out.print("Fibonacci Series of "+count+" numbers:");

        for (int i = 1; i <= count; ++i)
        {
            System.out.print(num1+" ");

            /* On each iteration, we are assigning second number
             * to the first number and assigning the sum of last two
             * numbers to the second number
             */
            int sumOfPrevTwo = num1 + num2;
            num1 = num2;
            num2 = sumOfPrevTwo;
        }
    }
}

Output

Fibonacci Series of 7 numbers:0 1 1 2 3 5 8

Explanation

None

How to learn from this program

First read the algorithm, then study the program code line by line. After that, compare the code with the output and finally go through the explanation. This approach helps learners understand both the logic and the implementation properly.

Practice suggestion

After understanding this example, try to rewrite the same program without looking at the code. Then change some values or logic and run it again. This helps improve confidence and keeps learners engaged on the page for longer.