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 use of inner class in java?

1141

What is local class in java?

1087

What are the classes of java?

963

Is singleton thread safe in java?

983

Can memory leak in java?

1031

Can a static method be overridden in java?

1014

What is an anonymous class in java?

1098

What is package private scope in java?

941

Can we extend private class in java?

980

What is adapter in java?

918

Can a class be private or protected in java?

1058

How do you override a private method in java?

976

Why we use protected in java?

971

What is private static class in java?

1013

What if constructor is protected in java?

1114

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Un-Answered Questions { Core Java }

What is use of map in java?

1011

What is the set interface in java programming?

1205

How do you differentiate abstract class from interface?

961

What is the function of static in java?

1071

when to use ArrayList and when to use HashMap in webApplication.

4696

What is meant by string is immutable?

1073

What is the null?

1017

What is difference between path and classpath in java?

1014

How do generics work in java?

1024

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

1125

Explain the difference between extends thread vs implements runnable in java?

1126

What does three dots mean in java?

1124

Where can i get Latest SUN Certification Dumps and what are the Sun Certification Codes that are available, Im new to JAVA, so please gimme info as i need to write J2EE - Core Java Certification

1859

a thread is runnable, how does that work? : Java thread

1006

Explain wait() method of object class ?

1222

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