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C# Properties Aptitude Questions and Answers | Set 5

C# Properties Aptitude Questions | Set 5: This section contains aptitude questions and answers on C# Properties.
Submitted by Nidhi, on April 10, 2020

1) Can we use the virtual keyword to define a property in C#.NET?
  1. Yes
  2. No

2) What is the correct output of given code snippets?
using System;

class Employee
{
    private static int empid;

    public Employee()
    {
        empid = 101;
    }
    public volatile static int EmpId
    {
        get
        {
            return empid;
        }
        set
        {
            empid = value;
        }
    }
}

class program
{
    static void Main(string[] args)
    {
        Employee.EmpId = 102;
        Console.WriteLine(Employee.EmpId);
    }
}
  1. 102
  2. 101
  3. Runtime exception
  4. Syntax error

3) What is the correct output of given code snippets?
using System;

class Employee
{
    private static int empid;

    public Employee()
    {
        empid = 101;
    }
    public override static int EmpId
    {
        get
        {
            return empid;
        }
        set
        {
            empid = value;
        }
    }
}

class program
{
    static void Main(string[] args)
    {
        Employee.EmpId = 102;
        Console.WriteLine(Employee.EmpId);
    }
}
  1. 102
  2. 101
  3. Runtime exception
  4. Syntax error

4) Can we override a property in C#.NET?
  1. Yes
  2. No

5) What is the correct output of given code snippets?
using System;

abstract class Person
{
    abstract public int EmpId { get; }
}

class Employee:Person
{
    private int empid;

    public Employee()
    {
        empid = 101;
    }
    public override int EmpId
    {
        get
        {
            return empid;
        }
        
    }
}

class program
{
    static void Main(string[] args)
    {
        Employee Emp = new Employee();
        
        Console.WriteLine(Emp.EmpId);
    }
}
  1. 102
  2. 101
  3. Runtime exception
  4. Syntax error






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