[PDF] mcq questions on abstraction in java

Which class containing abstract method must be declared abstract?

A. Every class containing abstract method must be declared abstract 9. What will be output for the folllowing code? 10. What will be output for the folllowing code?

What is the difference between abstract class and subclass?

An abstract class has a construtor which prints "This is constructor of abstract class", an abstract method named 'a_method' and a non-abstract method which prints "This is a normal method of abstract class". A class 'SubClass' inherits the abstract class and has a method named 'a_method' which prints "This is abstract method".

Can abstract class have constructors and static methods?

2. Abstract class can have constructors and static methods? C. Abstract class can have constructors but can not have static methods. D. Abstract class can not have constructors but can have static methods. 3. What is the syntax of abstract class in java?

What is McQ in Java programming language?

This section focuses on the "Abstract class" in Java programming language. These Multiple Choice Questions (MCQ) should be practiced to improve the Java programming skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations. 1.