Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

What is Garbage Collection in Java

Wipro,

1038

What is the difference between multitasking and multithreading in Java

Sans Pareil IT Services,

1140

What is the difference between Java and C++?

Integreon, TCS, ZS Associates,

1129

What Is Composition?

IBS,

1007

Does A Class Inherit The Constructors Of Its Superclass?

Wipro,

1012

If A Class Is Declared Without Any Access Modifiers, Where May The Class Be Accessed?

Wipro,

1128

how is final different from finally and finalize in java?

DELL,

1001

what is singleton in java?

IBS,

1003

what is the final keyword denotes in java?

IBS,

1031

what is nested class in java?

IBS,

1111

what is aggregation in java?

IBS,

951

what is inner class in java?

IBS,

1087

what is the major difference between linkedlist and arraylist in java?

IBS,

1114

what is session in java?

Seventhsense Technologies,

1190

what is object-oriented programming in java?

Reliance,

1002

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Un-Answered Questions { Core Java }

Why set is used in java?

964

What about abstract classes in java?

1020

What is a class object?

931

what is the difference between process and thread? : Java thread

931

Explain about the dynamic behavior of core java?

1079

What does t in java mean?

953

There are two classes named classa and classb. Both classes are in the same package. Can a private member of classa can be accessed by an object of classb?

1439

What is array initialization in java?

997

What is procedure writing?

916

How many ways can we create singleton class?

921

When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?

950

What is the locale class in java programming?

1014

What are keywords in programming?

960

What kind of variables can a class consist?

1003

Can we serialize static variables in java?

1052

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