Question

C# Language

• Create a class called evaluateValue that declares 3 integer class variables: zeroValue, positiveValue and negativeValue. These should be declared as public and you should not use automatic properties to declare them.
• Your class should have a constructor that takes one integer argument. In the constructor you will code if statements to set one of the three class variables (indicators) to 1 if the number sent to the constructor is either equal to zero, negative, or positive.
• In the class provide a method printit() used to print the results
  • Evaluate the positive, negative, and zero indicator to determine which line to print. If the indicator is set to 1 then the indicator is true.
  • You will print one of three statements;
    • The number was zero.
    • The number was positive.
    • The number was negative.
• In the default wrapper class named assignment3 and containing Main write the code in Main that declares one integer variable: val1.
• Use Console Write and Readline and the convert method to take the integer entry from the keyboard and pass it to the evaluateValue constructor.
• Instantiate an evaluateValue object and pass the integer values to the constructor.
• From Main call the printit method which will print the resulting evaluation in the class object.

Answer 1

C# CODE: (assignment.cs)

using System;
using System.Collections.Generic;

namespace Assignment3
{
    class evaluateValue
    {
      
       //public variable indicators for positive,negative,zero value
        public int zeroValue;
        public int positiveValue;
        public int negativeValue;

       // constructor ,based on the value of val ,setting the indicators
        public evaluateValue(int val)
        {
           // setting positiveValue indicator
           if(val > 0)
           {
               positiveValue = 1;
           }
          
           // setting negativeValue indicator
           if (val < 0)
           {
               negativeValue = 1;
           }
          
           // setting zeroValue indicator
           if (val == 0)
           {
               zeroValue = 1;
           }

        }
      
       // printing the results
        public void printit()
        {
          
           if(zeroValue == 1)
           {
               Console.WriteLine("The number was zero.");
           }
          
           if(positiveValue == 1)
           {
               Console.WriteLine("The number was positive.");
           }
          
           if(negativeValue == 1)
           {
               Console.WriteLine("The number was negative.");
           }

        }
    }
  
    class assignment3
    {
        public static void Main(string[] args)
        {
            //declare the local val1 variable
            int val1;

            //prompt the user for input of one integer
             Console.Write( " Enter an integer value: ");
             val1 = Convert.ToInt32(Console.ReadLine() );

            //instantiate a evaluateValue object here
            // and pass val1 to the constructor
            evaluateValue ob = new evaluateValue(val1);

            //call the object method printit here
            ob.printit();

        }
    }
}

SCREENSHOT FOR OUTPUT: