calculate fibonacci in java

print fibonacci series in java

// print fibonacci series in java
static void Fibonacci(int N)
{
    int num1 = 0, num2 = 1;

    int counter = 0;

    // Iterate till counter is N
    while (counter < N) {

        // Print the number
        System.out.print(num1 + " ");

        // Swap
        int num3 = num2 + num1;
        num1 = num2;
        num2 = num3;
        counter = counter + 1;
    }
}