Core Java Interview Questions
Questions Answers Views Company eMail

What is the use of ?this??

4 5402

What is meant by throwing an Exception?

Accenture,

4 8416

What is user defined exception?

4 7784

What is your platform?s default character encoding and how to know this?

TCS,

1726

What is the root class for all Java classes?

IBM, Infosys,

8 24046

Inorder to specify a container?s layout, which method is used?

1 3349

Name the methods that used to get and set the text label displayed by a Buttonobject?

1 3832

What methods are used in Servlet?Applet communication?

Satyam,

1633

What modifiers can be used with a local inner class?

2 9421

What modifiers are used with a top level class?

3 5903

What modifiers are used with an inner class which is a member of an outerclass?

1 3907

What modifiers are used for interface declaration?

7 8055

How a class can implement an interface?

SysArc,

5 7971

What releases of Java technology are currently available? What do they contain?

1 1867

What restrictions are placed on method overloading and method overriding?

5 29363


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Un-Answered Questions { Core Java }

What is module with example?

496


What is an object’s lock and which object’s have locks?

491


What is unicode with example?

596


What is array class in java?

573


Difference between comparator and comparable in java?

589






What is jvm? How its run?

626


What is the platform?

507


How do you create immutable object in java?

516


What if static is removed from main method?

547


Can arraylist contain null values?

546


What is exception handling in java?

547


State the difference between creating string as new () and literal.

502


Where is core java used?

552


How to sort an array from smallest to largest java?

517


What things should be kept in mind while creating your own exceptions in java?

599