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 state does a thread enter when it terminates its processing? : Java thread

1049

What is threaded programming and when is it used? : Java thread

1065

what is the difference between the methods sleep() and wait()? : Java thread

971

what is thread? What are the high-level thread states? Or what are the states associated in the thread? : Java thread

984

how does multithreading take place on a computer with a single cpu? : Java thread

1149

what are different ways in which a thread can enter the waiting state? : Java thread

966

how do I create a runnable with inheritance? : Java thread

980

which class is the wait() method defined in? : Java thread

943

what is daemon thread and which method is used to create the daemon thread? : Java thread

972

what invokes a threads run() method? : Java thread

1014

what are synchronized methods and synchronized statements? : Java thread

997

describe synchronization in respect to multithreading? : Java thread

925

what is mutual exclusion? : Java thread

1021

what is thread? : Java thread

983

extending thread class or implementing runnable interface. Which is better? : Java thread

999

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Un-Answered Questions { Core Java }

if u open login & logout ,how can udisplay the timelogin & logout members ?

2285

When will we prefer to use set and list in java and why?

963

Which package has light weight components?

998

Are functions objects in java?

1075

Explain the difference between transient and volatile in java?

1002

What is the meaning of immutable regarding string?

968

What does @override mean?

1206

Is it possible to compare various strings with the help of == operator? What are the risks involved?

1072

What is the difference between serializable and externalizable interface?

1099

What do you mean Abstraction in java?

1088

What exactly is java?

942

Explain inheritance in java?

986

Explain about wait() method?

1025

How can we make sure main() is the last thread to finish in java program?

1199

Why is a string immutable?

1010

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