C. Code Basic Java Programs and get input from console Factorial of a n nth Fibonacci number Sum from 1 to n Sum from m to n GCD of m and n To input from the console, you can use the Scanner class (import java.util.Scanner) to read input. Since we will be using numbers, Scanner class will do fine.

Sample program using Scanner class object

//SimpleInput.java import java.util.Scanner; public class SimpleInput {

public static void main(String[] args) { int num; Scanner scanner = new Scanner(System.in); System.out.print(Enter a number: ); num = scanner.nextInt(); System.out.println(The number is +num); } } //Input and output of the program Enter a number: 7 The number is 7