adplus-dvertising
frame-decoration

Question

An abstract class in Java usually contains one or more abstract ____.

a.

constructors

b.

methods

c.

variables

d.

None of the above

Answer: (b).methods

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. An abstract class in Java usually contains one or more abstract ____.

Similar Questions

Discover Related MCQs

Q. Choose a correct implementation of an Abstract class in the below Java code?

Q. Which is the opposite of an Abstract Class?

Q. Can you create an object from an abstract class in Java?

Q. To create an Abstract class, the keyword "class" is also required. State TRUE or FALSE.

Q. An abstract class in Java can be created using the keyword ____.

Q. Which is the correct way of overriding a method throwing exceptions in Java?

Q. To successfully override a superclass method in Java, the access modifier of the method of the subclass can be ___ restrictive.

Q. An Overridden method is the method of ____ class and the overriding method is the method of ___ class.

Q. What are the advantages of Method Overriding in Java?

Q. Method overriding increases the burden on the JVM in terms of runtime checks and resolution. State TRUE or FALSE.

Q. A method of a Superclass can not override the method of the Subclass. State TRUE or FALSE.

Q. If the method signature of a Superclass and the method signature of a Subclass are the same, then the subclass method is said to be _____ the superclass's method.

Q. A failed method overriding calls the method of a ___ in Java.

Q. A successful Method Overriding calls the method of ___ in Java.

Q. Identify INVALID Java Method Overriding in the below code snippets?
Follow the notation "superclassMethod" and "subclassMethod".

Q. The Method-Overloading and Method-Overriding are not the same. State TRUE or FALSE.

Q. Why should a method be overridden in Java instead of writing a method with a different name?

Q. It is not mandatory to override all or a few methods of the Superclass. State TRUE or FALSE.

Q. Method Overriding is useful to add extra functionality or code to a method of subclass with the same name as the inherited method. State TRUE or FALSE.

Q. What is method overriding in Java?