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Core Java Interview Questions
Questions Answers Views Company eMail

What is the use of ?this??

4 4472

What is meant by throwing an Exception?

Accenture,

4 7133

What is user defined exception?

4 6718

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

TCS,

1375

What is the root class for all Java classes?

IBM, Infosys,

8 20809

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

1 2801

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

1 3319

What methods are used in Servlet?Applet communication?

Satyam,

1293

What modifiers can be used with a local inner class?

2 8676

What modifiers are used with a top level class?

3 4872

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

1 3463

What modifiers are used for interface declaration?

7 6410

How a class can implement an interface?

SysArc,

5 6435

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

1 1414

What restrictions are placed on method overloading and method overriding?

5 27457


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Un-Answered Questions { Core Java }

What is boolean strategy?

206


If a method is declared as protected, where may the method be accessed?

201


What is an image buffer?

175


Can a private method be declared as static?

236


How many types of the indexof method are there for strings?

182






What a static class can contains?

251


Difference difference paint() and paintcomponent()?

198


Difference between static and dynamic class loading.

204


What is the difference between member variables initialization and assignment in a constructor?

244


Is double bigger than float?

166


What is package protected in java?

168


What is a java object and java application?

223


Why stringbuilder is not thread safe in java?

175


What are the concepts of 'OOPS'?

245


What is multi level inheritance in java?

214