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?

1105

Explain the difference between throw and throws in java?

1002

What is jit compiler in java?

1107

Who developed java?

990

What is finalize() function in java?

1014

Explain the inheritance?

974

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

948

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

1056

Explain the difference between jdk, jre, and jvm?

1041

What is java virtual machine? Explain

1033

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

992

What is "this" keyword in java? Explain

1098

how we can create packages in java?

967

What is abstract class? Explain

1044

what is instanceof operator used in java?

1037

Post New Core Java Questions

Un-Answered Questions { Core Java }

What is string immutability?

1105

What is integer valueof?

1109

Can you change array size in java?

964

What are advantages and disadvantages of OOPs?

1140

What is tree node in java?

962

What are the actions that can occur when a thread enters blocked state?

1058

Can bool be null?

986

Can a java program have 2 main methods?

1048

How does java pattern compile work?

963

What happens if we override only equals?

973

Why hashcode is used in java?

972

What is java full form?

1028

what are synchronized methods and synchronized statements? : Java thread

997

what is an objects lock and which objects have locks? : Java thread

1019

What are adapter classes?

1049

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