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

Core Java Interview Questions

Questions Answers Views Company eMail

Explain all java features with real time examples

1529

write a code, we have two thread, one is printing even no and other print the odd no.

Global Logic,

1 2070

Is it possible to declare abstract class as final?What happens if we do so?

1 1703

placement papaers of spring computing technology

Spring Computing Technologies,

1258

Can I overload to string method

UHG,

1255

write SQL command for table employee where print first name or last name start like "A" and who is working in domain(angular js,java,dotnet)

1 1998

I am a fresher and know core java, c languge, html, css etc if I am illegible for any job then send it on my email tatranakshay276@gmail.com

1473

what is heap memory?

Tavant Technologies, Zensar,

920

define polymorphism in java

928

Difference between process and thread?

HP,

898

What is the Scope of Static Variable?

Verifone,

1051

Explain what do you mean by functional overloading in java?

Maveric, Verifone,

866

Can a static member function access member variable of an object?

Virtusa,

854

Difference between Linked list and Queue?

Virtusa,

863

Write an algorithm for quick sort?

Virtusa,

873

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Un-Answered Questions { Core Java }

What is function declaration?

791

how to deploy tomcatserver to weblogic server? write d following steps?

1770

Can you instantiate the math class in Java?

905

What is the access scope of protected access specifier?

828

What is singleton pattern?

857

What environment variables are required to be set on a machine in order to run Java programs?

960

Difference between keyword and identifier.

855

What is binary tree in java?

853

What are data types in oop?

863

Give an example of use of pointers in java class.

848

What is the difference between Java and C++?

925

How does split work in java?

856

What is defined as false sharing in the context of multithreading?

853

Why collection doesn’t extend cloneable and serializable interfaces?

945

Why is java not 100% pure oops?

889

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