What is the difference between abstract class and normal class in Java?

Abstract methods are those which need to be implemented in subclass/child class . Abstract methods are only defined in superclass/parent class(Abstract class) but with no body. A method which is not abstract i.e. if a methods definition is given in the same class its declared is called concrete.

A concrete class is a class that we can create an instance of, using the new keyword . In other words, it’s a full implementation of its blueprint. A concrete class is complete.

Final: An abstract class cannot be final, because all its abstract methods must defined in the subclass. A concrete class can be declared as final. … Difference between Abstract Class and Concrete Class in Java. Abstract ClassConcrete ClassAn abstract class may or may not contain abstract methods.A concrete class cannot contain an abstract method.Difference between Abstract Class and Concrete Class in Java www.geeksforgeeks.org › difference-between-abstract-class-and-concrete-c…

A class that is declared using “abstract” keyword is known as abstract class. It can have abstract methods(methods without body) as well as concrete methods (regular methods with body). A normal class(non-abstract class) cannot have abstract methods .