Welcome to the Interfaces,Inheritance and Polymorphism MCQs Page
Dive deep into the fascinating world of Interfaces,Inheritance and Polymorphism with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Interfaces,Inheritance and Polymorphism, a crucial aspect of C# programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Interfaces,Inheritance and Polymorphism, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C# programming.
Check out the MCQs below to embark on an enriching journey through Interfaces,Inheritance and Polymorphism. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Interfaces,Inheritance and Polymorphism. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Interfaces,Inheritance and Polymorphism MCQs | Page 10 of 20
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class sample
{
public int i;
void display()
{
Console.WriteLine(i);
}
}
class sample1 : sample
{
public int j;
public void display()
{
Console.WriteLine(j);
}
}
class Program
{
static void Main(string[] args)
{
sample1 obj = new sample1();
obj.i = 1;
obj.j = 2;
obj.display();
Console.ReadLine();
}
}class sample
{
protected int index;
public sample()
{
index = 0;
}
}
class sample 1: sample
{
public void add()
{
index += 1;
}
}
class Program
{
static void Main(string[] args)
{
sample 1 z = new sample 1();
z . add();
}
}class sample
{
int i = 10;
int j = 20;
public void display()
{
Console.WriteLine("base method ");
}
}
class sample1 : sample
{
public int s = 30;
}
class Program
{
static void Main(string[] args)
{
sample1 obj = new sample1();
Console.WriteLine("{0}, {1}, {2}", obj.i, obj.j, obj.s);
obj.display();
Console.ReadLine();
}
}class baseclass
{
private int a;
protected int b;
public int c;
}
class derived : baseclass
{
private int x;
protected int y;
public int z;
}
class Program
{
static Void Main(string[] args)
{
derived a = new derived();
}
}class sample
{
public sample()
{
Console.WriteLine("THIS IS BASE CLASS constructor");
}
}
public class sample1 : sample
{
}
class Program
{
static void Main(string[] args)
{
sample1 obj = new sample1();
Console.ReadLine();
}
}Suggested Topics
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