Why are virtual users created?

779

Why does java not support multiple inheritance?

721

Explain the mechanism of composition?

700

What is the default access specifier in a class definition?

717

Can you tell something about GDI objects?

745

What is the use if instanceof keyword? And how do refer to a current instance of object?

704

If a method definition has been specified in the base class and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?

680

Explain the abstract class modifier?

640

Classes and structs support inheritance. Is this statement true or false?

724

What is an abstract property. Give an example?

676

What are different ways to create string object?

729

Explain static binding

720

Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?

904

How many instances can be created for an abstract class?

686

Whether static method can use nonstatic members?

680