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Core Java Interview Questions
Questions Answers Views Company eMail

what is domain object

1 2434

what are the analysis of an object

2 2588

why we need this (1.object,2.class,3.data hiding,4.encapsulation,5.abstraction,6. polymorphism,7.inheritance)

2 3142

What is the difference between Static and final?

1 4156

What is immutable class? how to make a Class explicitly "Immutable"?Wap to make a class explicitly immutable.

3 5351

How many types of JVM's (OR) Name of the JVM's which are used in Tomcat & Weblogic servers ?

TCS,

1 11841

how can i use a nonsynchronized hashtable?

CoreObjects,

1609

why we use merge option in hybernate pls give a ex snippet

CoreObjects,

1071

What are the Abstract Classes provided by Java?

Oracle,

5 6625

Why are inner classes required?

Oracle,

3 5674

what is the context

2 2618

Class A extends Class B but Class A also inherit Super Class Object so it is multiple inheritence give reason in support of your answer

3 3490

relation between list and linked list

Infosys,

1 3071

use of wrapper classes?

IBM,

3 4468

what r callable statement and give their proper use

2 4058


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Un-Answered Questions { Core Java }

What is the history of java?

118


What happens if an exception is not handled in a program?

148


Explain scope or life time of local variables in java?

151


What is the inheritance?

132


What is variable explain with example?

102






Is hashmap thread safe?

120


What is * argv?

125


What is the default execution method in java?

127


What is method overloading in JAVA? Why is it not present in C ?

181


What is api in java?

114


Explain about automatic type conversion in java?

146


If two threads have same priority which thread will be executed first ?

214


Why is java so important?

121


What is the difference between a static and a non-static inner class in java programming?

148


Can we access the non-final local variable, inside the local inner class?

140