What is abstract class

In Java, the Abstract List is the part of the Java Collection Framework . The Abstract list is implemented by the collection interface and the Abstract Collection class. This is used when the list can not be modified.

In Java, the Abstract List is the part of the Java Collection Framework . The Abstract list is implemented by the collection interface and the Abstract Collection class. This is used when the list can not be modified.

The only way to access the non-static method of an abstract class is to extend it, implement the abstract methods in it (if any) and then using the subclass object you need to invoke the required methods .

The only way to access the non-static method of an abstract class is to extend it, implement the abstract methods in it (if any) and then using the subclass object you need to invoke the required methods .

An abstract class, in the context of Java, is a superclass that cannot be instantiated and is used to state or define general characteristics . An object cannot be formed from a Java abstract class; trying to instantiate an abstract class only produces a compiler error.

An abstract class, in the context of Java, is a superclass that cannot be instantiated and is used to state or define general characteristics . An object cannot be formed from a Java abstract class; trying to instantiate an abstract class only produces a compiler error.