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Core Java Interview Questions
Questions Answers Views Company eMail

Explain Public static void main?

IBM, Vetech,

2 17104

What is file class and what is its purpose?

1 2874

what is Remote Reference Layer ?

1 3712

What is static binding and where it occurs?

4 7097

Can a Byte object be cast to a double value?

KO,

3 13315

Can a double value be cast to a byte?

3 8274

Can a for statement loop indefinitely?

3 7451

what is the form of storage space in java?

5 5481

What are the latest versions in JAVA related areas?

Netcraft,

3 6103

What is the minimum and maximum length of an identifier?

TCS,

6 11893

What class is used to implement a Throwable array?

3 5110

What is the default initialized value of String type variable?

4 4566

What is the default initialized value of a boolean type variable?

3 3465

When garbage collector invokes object?s finalize() method?

5 4711

How Applets & Servlets will communicate with each other?

2 5547


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Un-Answered Questions { Core Java }

Can you access non static variable in static context?

145


What is a numeric literal?

118


Explain the importance of join() method in thread class?

191


What is string manipulation?

108


What is the difference between yielding and sleeping in java programming?

156






Why wait and notify methods are declared in object class?

151


What is scanner in java?

105


How many bytes is 255 characters?

115


What does provide mean construction?

111


What environment variables do I need to set on my machine in order to be able to run java programs?

165


Which package is always imported by default?

146


How can a gui component handle its own events in java programming?

146


Explain access specifiers?

192


What is widening and narrowing in java? Discuss with an example.

184


What do you mean by formatting?

115