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 is the constructor and how many types of constructors are used in java?

1004

What is the purpose of the system class in java?

1048

Why java is a platform independent? Explain

1092

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

1028

Explain the advantages of packages in java?

919

Explain the features of java?

1012

What is the purpose of main function in java?

1030

What are different access specifiers in java?

1017

Explain the difference between abstract class and interface in java?

984

Java is pass by value or pass by reference? Explain

990

what is encapsulation in java? Explain

1115

what do you mean by classloader in java?

1025

What do you mean by inner class in java? Explain

1070

what is static import in java? Explain

1016

explain the difference between jdk and jvm?

999

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Un-Answered Questions { Core Java }

What is the new line character?

1175

What is an object's lock and which object's have locks in java programming?

1048

What is the difference between JDK and JVM?

1272

How do I compare two strings in word in java?

991

Can I overload to string method

1443

Can you inherit a constructor java?

1089

What is the advantage of OOP in java?

1149

What is the purpose of assert keyword used in jdk1.4.x?

1067

What are the advantages of user defined functions?

1004

What is an infinite loop?

1255

How to create a thread in java?

1140

Explain what is Marker interface?

1090

What is rule of accessibility in java?

1028

What is the byte range?

1034

If two threads have same priority which thread will be executed first ?

1482

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