Thread: Altertaive Array

Hey guys and i am new and in need of Immediate help !!

Alright here's the question:

Write a complete Java program that asks the user to enter the number of items. Then find
the following **WITHOUT USING ARRAYS:**
1- The value of the maximum item
2- The value of minimum item
3- The number of the items that are greater than 30

What i wrote:

import java.util.*;
 
public class Q2C {
		public static void main (String args []) {
		{
			int MaxV = 0;
			int NumV =  0;
			int MinV = 0;
			int i;
			int value = 0;
 
			for (i=0; i <= 10; i++)
			{
			System.out.println("Please Enter the value of the items:");
			Scanner scan = new Scanner(System.in);
			value = scan.nextInt(); 	
		if (value < 100)
			MaxV=value+MaxV;
			else if (value > 50)
			MinV=value+MinV;
		else if (value <=30)
			NumV=NumV++;
 
			}
 
			System.out.println("Your Maximum value is "+MaxV);
			System.out.println("Your Minimum value is "+MinV);
			System.out.println("Your items that are valued more than 30 are " +NumV);
 
}}}

Output:

Please Enter the value of the items:
1000
Please Enter the value of the items:
100
Please Enter the value of the items:
20
Please Enter the value of the items:
30
Please Enter the value of the items:
40
Please Enter the value of the items:
50
Please Enter the value of the items:
60
Please Enter the value of the items:
760
Please Enter the value of the items:
80
Please Enter the value of the items:
10
Please Enter the value of the items:
30


Your Maximum value is 320
Your Minimum value is 1860
Your items that are valued more than 30 are 0

But the output is COMPLETELY WRONG !!

Deadline is like Hours from now ----- HELP ME PLEASE !!!!!

Have you tried stepping through your code line by line? Add a few println statements to see how your program is modifying the variables, or better yet if you know how, use a debugger.

hint: Take a look at your if and if/else statements. It's not computing the min/max correctly. Why? How would you compute the min/max?

Secondly, there's no code to sum up all values greater than 30. What algorithm do you think would be able to accomplish this?

Lastly examine your for-loop conditional. It only lets the user enter in 10 items, but the requirements say the user should input how many items they want to enter. What's needed to accomplish this?