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

Core Java Interview Questions

Questions Answers Views Company eMail

Why is string buffer better than string ?

Cyient,

1055

what is a thread pool in java and why is it used?

953

how its run?

1018

what is enumset?

1060

what methods would you overwrite in java.lang.object class?

965

what is the difference between future and callable interface in java?

1171

explain multi-threading in java?

980

explain what is transient variable in java?

1082

when should you use stringbuilder class in a program?

940

what are abstract functions?

986

design an lru cache in java?

951

what is difference between equals and ==?

1007

how can you catch multiple exceptions in java?

Cyient,

980

explain autoboxing in java?

944

What is the purpose of a volatile variable?

990

Post New Core Java Questions

Un-Answered Questions { Core Java }

Can a class extend 2 classes in java?

994

What is a generic type?

970

What is the reason behind using constructors and destructors?

1018

How do you insert a line break?

867

What is private protected in java?

1005

What is the basic difference between string and stringbuffer object?

1043

What are selection structures?

948

Explain about member inner classes?

1044

What does || || mean in math?

888

What do you mean by boolean?

1028

What are the different data types in java?

962

Why string is called as immutable?

900

Is namespace same as package in java?

946

What comes to mind when someone mentions a shallow copy in java?

1075

Where and how can you use a private constructor?

946

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