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 Restrictions in hibernate?

Bally Technologies,

1 5798

What is the difference between array and arraylist? what is the difference between arraylist and linkedlist?

EDS, Matrix,

8 24629

Does a class inherit the constructor of its super class?if it does, how can you hide that constructor? if it doesnot how can you call it from the sub class?

2 8402

which methods consisting of the serilizable interface?

3 6553

What is OOP?

BMC, Microsoft,

2 6069

What is encapsulation? Elaborate with example?

BMC,

1 8576

What is data abstraction? Elaborate with example?

BMC, TCS,

4 36927

What is casting?

BMC,

3 6647

What is thread?

BMC, Virtusa,

7 10598

What is advantage of using threads?

BMC,

2 11123

How the threads are synchronized?

BMC, CTS,

2 6155

What is Interface?

BMC,

8 11895

Do you know thread pools?

BMC,

2198

How multi processing is achieved in JAVA?

BMC,

5 22264

What is hash method?

1 4354

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Un-Answered Questions { Core Java }

What is a nonetype?

1128

What is parse method?

1019

why not override thread to make a runnable? : Java thread

1005

How to create packages in java?

949

Can a class be final?

940

Is cout buffered?

1187

Is java an open source?

971

How to sort array in descending order in java?

923

How many types of gc are there in java?

996

What is the full form of jpeg?

963

What is difference between equal and == in java?

959

Can we make constructors static?

1235

How do you declare an empty string?

1063

Where is the find and replace?

1005

Define an abstract class with reference to java.

997

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