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C# Class & Object Aptitude Questions and Answers | Set 4

C# Class & Object Aptitude Questions | Set 4: This section contains aptitude questions and answers on C# Class & Object.
Submitted by Nidhi, on April 12, 2020

1) What are the correct statements about given code snippets?
using System;

public class Example
{
    virtual private int X;
    private int Y;

    static void Main(string[] args)
    {
        Console.WriteLine("Hello World");
    }
}
  1. Hello World
  2. HelloWorld
  3. Syntax Error
  4. Runtime Exception

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

public class Example
{
    private int X;
    private int Y;

    Example()
    {
        this.X = 1;
        this.Y = 2;

    }
    static void Main(string[] args)
    {
        Example Ob = new Example();

        Console.WriteLine("{0}, {1}", Ob.X, Ob.Y);
    }
}
  1. 1, 2
  2. 12
  3. Syntax Error
  4. Runtime Exception

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

public class Example
{
    private int X;
    private int Y;

    public Example()
    {
        this.X = 1;
        this.Y = 2;

    }
    public static ShowData()
    {
        Console.WriteLine("{0}, {1}", this.X, this.Y);
    }
    static void Main(string[] args)
    {
        Example Ob = new Example();
        Ob.Show();
    }
}
  1. 1, 2
  2. 12
  3. Syntax Error
  4. Runtime Exception

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

public class Example
{
    public Example Method1()
    {
        Console.Write("####, ");
        return this;
    }
    public Example Method2()
    {
        Console.Write("@@@@, ");
        return this;
    }
    public Example Method3()
    {
        Console.Write("$$$$, ");
        return this;
    }
    static void Main(string[] args)
    {
        Example Ob = new Example();

        Ob.Method1().Method2().Method3();
    }
}
  1. ####, @@@@, $$$$,
  2. $$$$, @@@@, ####,
  3. Syntax Error
  4. Runtime Exception

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

public class Example
{
    public void SayHello()
    {
        Console.Write("Hello World");
    }
    
    static void Main(string[] args)
    {
        this.Method();
    }
}
  1. Hello World
  2. Hello world
  3. Syntax Error
  4. Runtime Exception






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