package mypkg; import java.util.Scanner; public class Main { public void KeyInpu

Question

package mypkg;

import java.util.Scanner;

public class Main {

  

    public void KeyInput()

    {

        Scanner keyboard =new Scanner(System.in);

       System.out.println("Enter a number: ");

        int num =keyboard.nextInt();

    }

    public static int forloop(int num){

   

    int sum = 0;

    int i = 1;

    for(i = 1; i < num; i++)

    {

        sum += i;

    }return sum;

}

    public static void main(String[] args)

    {

        Main box = newMain();

        box.keyInput();

       System.out.println(box.forloop(num));

    }

}

Explanation / Answer

Make the methods instance methods: packagemypkg; import java.util.Scanner; public class Main { privateint num; public Main() { num = 0; } publicvoid keyInput() { Scanner keyboard =new Scanner(System.in); System.out.println("Enter anumber: "); num = keyboard.nextInt(); } publicint forloop() { int sum = 0; int i = 1; for(i = 1; i

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