Java Programming Examples Tutorial Index

Java Function Programs

This Java example code demonstrates a simple Java program to calculate factorial values using recursion and print the output to the screen. In this Java program, a function is defined that calls itself multiple times until the specified condition matches. This process is called Recursion, and the function is called the Recursive function.


public class Factorial {

    public static void main(String[] args) {
        //Variable definition and assignment
        int num = 5;

        //Call recursive function
        long factorial = multiplyNumbers(num);

        //Print the output
        System.out.println("Factorial of " + num + " = " + factorial);

    public static long multiplyNumbers(int num)
        if (num >= 1)
            return num * multiplyNumbers(num - 1);
            return 1;

Program Output:

Factorial of 5 = 120

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