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 a databasemetadata?

956

What is the final keyword denotes?

1118

Explain the protected field modifier?

1110

What is the implementation of destroy method in java. Is it native or java code?

979

What is the difference amongst jvm spec, jvm implementation, jvm runtime ?

975

Whats the difference between notify() and notifyall()?

1047

What is the primitive type short?

1026

What is the difference between java applets and applications?

1171

What are the approaches that you will follow for making a program very efficient?

1081

What is java beans?

1008

What is javac_g?

1021

Is a class subclass of itself?

1093

What’s the difference between applets and standalone program?

1059

What is the epoch date?

1028

What is a container in a gui?

1000

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is bubble sorting in java?

1055

Discuss 2D arrays.

1056

What are the approaches that you will follow for making a program very efficient?

1081

What is difference between calling start() and run() method of thread?

1140

Give the difference between the println method and sqrt method?

1090

Explain the polymorphism principle?

1028

How thread scheduler schedule the task?

1066

What does null mean in java?

1078

What is a “stateless” protocol ?

999

What is string in java with example?

1045

Can we extend singleton class in java?

973

Does java allow overriding static methods ?

1123

What is a default constructor and also define copy contrucyor?

1112

What is the difference between java applets and applications?

1171

What does int argc char * argv [] mean?

1002

For More Un-Answered { Core Java } Questions Click Here