Object Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Topic :: Object

Object Interview Questions

Questions Answers Views Company eMail

Describe what happens when an object is created in java ?

955

Does constructor creates the object ?

986

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?

910

If a method definition has been specified in class , its 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?

944

How does using a separate hard drive for several database objects improves performance right away?

889

Why string objects are immutable in java?

1000

Is java a pure object oriented language?

919

Can you create an object of an abstract class?

954

Class c implements interface I containing method m1 and m2 declarations. Class c has provided implementation for method m2. Can I create an object of class c?

1551

A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.

968

How can you say java is object oriented?

1016

You can create a string object as string str = “abc”; why cant a button object be created as button bt = “abc”;? Explain

937

Difference between a class and an object?

978

If an object is garbage collected, can it become reachable again?

952

Can java object be locked down for exclusive use by a given thread?

956