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

1719

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

Global Logic,

1 2293

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

1 1923

placement papaers of spring computing technology

Spring Computing Technologies,

1408

Can I overload to string method

UHG,

1442

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 2246

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

1701

what is heap memory?

Tavant Technologies, Zensar,

1100

define polymorphism in java

1089

Difference between process and thread?

HP,

1031

What is the Scope of Static Variable?

Verifone,

1232

Explain what do you mean by functional overloading in java?

Maveric, Verifone,

1020

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

Virtusa,

1010

Difference between Linked list and Queue?

Virtusa,

1029

Write an algorithm for quick sort?

Virtusa,

1033

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Un-Answered Questions { Core Java }

What is the final method?

1073

When will you define a method as static?

1095

What are the important features of Java 11 release?

1118

Why char array is favored over string for the storage of passwords?

1079

When wait(), notify(), notifyall() methods are called does it releases the lock or holds the acquired lock?

1007

Why runnable interface is used in java?

1136

Explain the significance of listiterator.

1106

What does the “static” keyword mean?

1103

Which command from the jdk compiles a java program?

993

Explain what access modifiers can be used for variables?

1059

Can I extend singleton class in java?

1102

What are the different data types in java?

1010

What is the destroy method?

1040

What is the purpose of the wait(), notify(), and notifyall() methods in java programming?

1077

How would overload a function based on return type?

969

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