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 7246

Name the types of mouse event listeners ?

2 6979

In what ways you can handle exception ?

3 7363

transaction attributes ?

2 4767

What are types of Java applications?

14 51945

types of applets?.

TCS,

7 45632

What are virtual functions?

2 9717

What are wrapped classes?

Samsung,

7 15633

What is the top class of AWT event hierarchy?

5 13799

What class is used to create Server side object?

TCS,

1 4185

Java run-time system generates What class of exceptions?

TCS,

2 4793

What classes of exceptions, caught by a catch clause?

1 5017

What are wrapper classes?

Noah Solutions,

11 24804

What classes of exceptions, thrown by a throw statement?

2 8463

garbate collector(GC)?

4 7674

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Un-Answered Questions { Core Java }

What does \ mean in regex?

1223

Is java programming easy?

999

Why unicode is important?

940

Why stringbuilder is not thread safe in java?

1015

What is the exact difference in between Unicast and Multicast object?

2123

How do you make a thread in java?

1099

What is backdrop?

1069

What is formatted output in java?

967

What happens if I remove static from main method?

1010

Can a class extend 2 classes in java?

1036

What are the legal operands of the instanceof operator?

1028

Which is better 64 bit or 32 bit?

943

What is immutability in java?

1090

How are variables stored?

986

When is the finalize() called? What is the purpose of finalization?

1080

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