What is abstract class
Techi Works What is abstract class Answer: An abstract class is a class that is declared using…
Read MoreHow you define Abstract class
How you define Abstract class Answer: By using key word abstract class can be define…
Read MoreWhen can object reference cast to interface reference
When can object reference cast to interface reference Answer: When java class implements interface it…
Read MoreWhat modifiers allowed for methods in Interface
What modifiers allowed for methods in Interface Answer: Only public & abstract modifiers are permitted.…
Read MoreCan class defined inside Interface
Can class defined inside Interface Answer: Yes it is possible to define class inside the…
Read MoreCan Interface final possible
Can Interface final possible Answer: No only public & abstract are permitted to define interface…
Read MoreInterface can extend more than one Interface but Class cannot
Interface can extend more than one Interface but Class cannot Answer: It is the bad…
Read MoreCan Class extend more than one Class
Can Class extend more than one Class Answer: In Java multiple inheritance is not permitted.…
Read MoreCan Interface extend another Interface
Can Interface extend another Interface Answer: Yes. In java it is possible to expend another…
Read MoreCan Interface implement another Interface
Can Interface implement another Interface Answer: Interface can only extends another interface. If you try…
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