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

Core Java Interview Questions

Questions Answers Views Company eMail

Difference between string, string builder, and string buffer?

1114

Explain the difference between throw and throws in java?

1013

What is jit compiler in java?

1120

Who developed java?

1001

What is finalize() function in java?

1026

Explain the inheritance?

989

How we can skip finally block of exception even if some exception occurs in the exception block in java?

953

What is the base class of all exception classes in java?

1064

Explain the difference between jdk, jre, and jvm?

1046

What is java virtual machine? Explain

1038

how we can make a read-only class in java?

1004

What is "this" keyword in java? Explain

1104

how we can create packages in java?

977

What is abstract class? Explain

1052

what is instanceof operator used in java?

1041

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Un-Answered Questions { Core Java }

Give any two differences between C++ and java.

1155

What is method overloading with type promotion?

1284

Hi all, I am dng a mini project on FileSplitter application which splits the GBs of logfile into Smaller chunks(mbs) depending on the split size." How to handle GBs file? I am getting OutOfMemoryException, when I input such GB sized file. Thx

2135

Which method must be implemented by all threads?

1271

What is java developer skills?

987

What does localhost mean?

964

What is the difference between super class & sub class?

1201

Can we cast any other type to boolean type with type casting?

962

What does pointer mean?

1073

What is intern method in java?

1090

hi am an engineering student and my next plan is for ms in either in us or australia i got my passport but i dont know anything bout visa can u give brief idea 1)How to get prepared for visa and 2)How to apply for top universities and 3)How to pay the fee and so on These all are basic questions plz give me a clear idea

1931

Why java is made?

984

What is a flag and how does it work?

1016

Is there any difference between nested classes and inner classes?

1109

Why is stringbuffer faster than string?

927

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