adplus-dvertising

Welcome to the Miscellaneous Topics in Java MCQs Page

Dive deep into the fascinating world of Miscellaneous Topics in Java with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Miscellaneous Topics in Java, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Miscellaneous Topics in Java, 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 Java Programming.

frame-decoration

Check out the MCQs below to embark on an enriching journey through Miscellaneous Topics in Java. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Miscellaneous Topics in Java. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Miscellaneous Topics in Java MCQs | Page 17 of 23

Q161.
What is the outcome of below code Main class?
public class Shape 
{
	public int area()
        {
		return 1;
	}
}
public class Square extends Shape 
{
	public int area()
        {
		return 2;
	}
}
public class Rectangle extends Shape 
{
	public int area()
        {
		return 3;
	}
}
class Main() 
{
   public static void main(String[] args)
   {
	Shape shape = new Shape();
	Square square = new Square();
    	Rectangle rect = new Rectangle();
	rect = (Rectangle)shape;
	System.out.println(square.area());
   }
}
Discuss
Answer: (c).Runtime Exception
Q162.
What is the outcome of below code Main class?
public class Shape 
{
	public int area()
        {
		return 1;
	}
}
public class Square extends Shape 
{
	public int area()
        {
		return 2;
	}
}
public class Rectangle extends Shape 
{
	public int area()
        {
		return 3;
	}
}
class Main() 
{
      public static void main(String[] args)
      {
	 Shape shape = new Shape();
	 Square square = new Square();
   	 Rectangle rect = new Rectangle();
	 rect = (Rectangle)square;
	 System.out.println(square.area());
      }
}
Discuss
Answer: (a).Compilation failure
Q163.
What is the outcome of below code Main class?
public class Shape 
{
	public int area()
        {
		return 1;
	}
}
public class Square extends Shape 
{
	public int area()
        {
		return 2;
	}
}
public class Rectangle extends Shape 
{
	public int area()
        {
		return 3;
	}
}
class Main() 
{
       public static void main(String[] args)
       {
	 Shape shape = new Shape();
	 Square square = new Square();
   	 Rectangle rect = new Rectangle();
	 rect = (Rectangle)square;
	 System.out.println(square.area());
	}
}
Discuss
Answer: (a).Compilation failure
Q164.
What is the outcome of below code Main class?
public class Shape 
{
	public int area()
        {
		return 1;
	}
}
public class Square extends Shape 
{
	public int area()
        {
		return 2;
	}
}
public class Rectangle extends Shape 
{
	public int area()
        {
		return 3;
	}
}
public static void main(String[] args)
{
	 Shape shape = new Square();
   	 shape = new Rectangle();
	 System.out.println(shape.area());
}
Discuss
Answer: (b).3
Q165.
What is the outcome of below code Main class?
public class Shape 
{
	public int area()
        {
		return 1;
	}
}
public class Square extends Shape 
{
	public int area()
        {
		return 2;
	}
}
public class Rectangle extends Shape 
{
	public int area()
        {
		return 3;
	}
}
public static void main(String[] args)
{
	 Shape square = new Square();
   	 Shape rect = new Rectangle();
     	 square = rect;
	 System.out.println(square.area());
}
Discuss
Answer: (b).3
Q166.
Which feature of java 8 enables us to create a work stealing thread pool using all available processors at its target?
Discuss
Answer: (b).newWorkStealingPool
Discuss
Answer: (b).It reads all the lines from a file as a Stream
Discuss
Answer: (c).Optional is used to represent null with absent value
Q169.
What is the substitute of Rhino javascript engine in Java 8?
Discuss
Answer: (a).Nashorn
Q170.
What does SAM stand for in the context of Functional Interface?
Discuss
Answer: (b).Single Abstract Method

Suggested Topics

Are you eager to expand your knowledge beyond Java Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!