Question

I need a java program that print the first and last numbers from 12 to 19 using Keyboard

Answer 1

import java.util.Scanner;

//TestCode.java
public class TestCode {
    public static void main(String[] args) {
        System.out.print("How many numbers you want to print from first and last: ");
        Scanner keyboard = new Scanner(System.in);
        int n = keyboard.nextInt();

        int start = 12, end = 19;
        for(int i = 0;i<n && start+i<=end;i++){
            System.out.print(start+i+" ");
        }
        System.out.println();

        for(int i = 0;i<n && end-i>=start;i++){
            System.out.print(end-i+" ");
        }
        System.out.println();
    }
}