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 are the traverses in Binary Tree?

Adobe, Infosys,

2 7249

Name the types of mouse event listeners ?

2 6982

In what ways you can handle exception ?

3 7367

transaction attributes ?

2 4775

What are types of Java applications?

14 51970

types of applets?.

TCS,

7 45640

What are virtual functions?

2 9722

What are wrapped classes?

Samsung,

7 15647

What is the top class of AWT event hierarchy?

5 13813

What class is used to create Server side object?

TCS,

1 4188

Java run-time system generates What class of exceptions?

TCS,

2 4795

What classes of exceptions, caught by a catch clause?

1 5018

What are wrapper classes?

Noah Solutions,

11 24826

What classes of exceptions, thrown by a throw statement?

2 8466

garbate collector(GC)?

4 7679

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Un-Answered Questions { Core Java }

What is the functionality of the stub?

1042

Why is logger singleton?

1130

What is the driver class?

1045

What is the purpose of finalization in java programming?

1029

How can we create objects if we make the constructor private ?

1016

Is there any sort function in java?

1051

Which class is the superclass for all the classes?

1021

Explain exception chaining in java?

1178

What is user defined exception in Java?

1085

Difference between object instantiation and construction ?

1072

How does callback work in java?

1072

Write a program to find maximum and minimum number in array?

1003

What is use of super keyword?

968

Why declare Main() method as a static in java ?

1084

What is the inheritance?

976

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