Answers for "What are abstract classes in Java and what is the difference between an abstract class and an interface."

2

is it necessary for abstract class to have abstract method

Abstract classes CAN have non-abstract methods.
Posted by: Guest on August-27-2021
1

java abstract vs interface

you can extend only one abstract class, but you can implement as much interfaces as you would need
Posted by: Guest on January-25-2021
2

is it necessary for abstract class to have abstract method

Abstract classes CAN have non-abstract methods.
Posted by: Guest on August-27-2021
1

java abstract vs interface

you can extend only one abstract class, but you can implement as much interfaces as you would need
Posted by: Guest on January-25-2021

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