Core Java Interview Questions
Questions Answers Views Company eMail

What collections you have worked on? Internal working of Hashmap?

Bravura Solutions,

1 2109

What design pattern you have used in your project? I answered Factory pattern, how it is implemented? What are its advantage? Do know about Abstract Factory?

Bravura Solutions,

1928

Can static methods be overridden?

Bravura Solutions,

5 7939

java Api provided try catch finally ,try catch(its ok) but why try finally and exception occured at try then how the flow is?

Naaptol,

1 4211

Why java does not supports multiple inheritance?

TCS, VSoft,

3 4896

what is associative array

Tech Mentro,

1 2578

what is the difference between static class and singleton class? can we create static class?

L&T, Octazen, Vamsi Labs,

2 4959

ublic class Java_Coding_Samples { public static void JavaHungr(NumberFormatException ae){ System.out.println("integer"); } public static void JavaHungry(Exception e){ System.out.println("string"); } public static void JavaHungry(ArithmeticException ae){ System.out.println("object"); } public static void main(String[] args) { JavaHungry(null); }

1 2008

what is ABSTRACTION and what are using in real time project?

iGate,

1 3149

For technical interview question please sir send me because tomorrow my interview

FactSet Systems,

1 3982

How to define a constant variable in Java?

TCS,

1 2427

java is pure object-oriented programming language?why it is platform independent.

1 2104

Why should we use java?

IBM,

1 2375

How many Java environments are there?

Phantom Technologies,

1 2164

What is Java Classloader?

Phantom Technologies,

1 2160


Post New Core Java Questions

Un-Answered Questions { Core Java }

How do I start learning java?

549


What is the largest number a double can hold?

553


Is java still relevant?

489


What are different types of control structures?

481


What is data type modifier?

521






Which collection is sorted in java?

535


What is a blocking method in Java?

594


What is a byte array?

577


What is bufferedwriter?

531


What is a treemap in java?

529


What is void in java?

579


When do you call copy constructor?

547


What is defined as false sharing in the context of multithreading?

496


What do you mean by local variable and instance variable?

504


How do you represent a space in regex java?

513