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

Core Java Interview Questions

Questions Answers Views Company eMail

Write a program to reverse a number in java?

1091

Explain the difference between treeset and treemap in java?

972

Can you override static method in java?

1 1692

What is difference between fileinputstream and filereader in java?

1067

How to compare strings in java?

1016

How to do a true java ping from windows?

1158

How to split a string in java?

1134

do I need to use synchronized on setvalue(int)? : Java thread

1011

when you will synchronize a piece of your code? : Java thread

1028

what do you understand by synchronization? Or what is synchronization and why is it important? Or describe synchronization in respect to multithreading? Or what is synchronization? : Java thread

947

how to create multithreaded program? : Java thread

951

why would you use a synchronized block vs. Synchronized method? : Java thread

951

what is deadlock? : Java thread

1013

what is the difference between yielding and sleeping? : Java thread

967

what is synchronization? : Java thread

1027

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Un-Answered Questions { Core Java }

what is singleton in java?

1052

What is the instance of an object?

1196

How to overcome the exception object reference not set to an instance of object?

1153

Explain about narrowing conversion in java?

1009

Where is core java used?

1014

What is the use of parse function in java?

984

Why Do I Get A "permission Denied" Error After Downloading The .jnlp Java Launcher For The Vkvm?

1149

what is mena by object block any what is the use of that

2216

What is the use of :: in java?

1013

What is string variable?

1055

Explain about assignment statement?

1027

What are keywords in java?

1006

Explain the difference between the public, private, final, protected, and default modifiers?

1044

Difference between this() and super() in java ?

1081

Why do we use string?

1045

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