Core Java Interview Questions
Questions Answers Views Company eMail

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

Bravura Solutions,

1 2091

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,

1909

Can static methods be overridden?

Bravura Solutions,

5 7886

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 4187

Why java does not supports multiple inheritance?

TCS, VSoft,

3 4872

what is associative array

Tech Mentro,

1 2557

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

L&T, Octazen, Vamsi Labs,

2 4923

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 1993

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

iGate,

1 3126

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

FactSet Systems,

1 3961

How to define a constant variable in Java?

TCS,

1 2409

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

1 2085

Why should we use java?

IBM,

1 2353

How many Java environments are there?

Phantom Technologies,

1 2142

What is Java Classloader?

Phantom Technologies,

1 2132


Post New Core Java Questions

Un-Answered Questions { Core Java }

Mention a package that is used for linked list class in java.

506


Does treeset allow null in java?

489


Explain an intermediate language?

487


What is methodological framework?

548


Explain the pointers in Java?

575






What is remote method invocation (rmi)?

595


What is bom encoding?

530


What are the ways to instantiate the class class?

578


What is the difference between abstraction and encapsulation?

532


How do you reverse a string in java?

557


Is it possible to override the main method?

509


What loop means?

524


What is charat java?

523


When super keyword is used?

568


What are loops in java?

527