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 Distributed Application and what is its usage?

2 5933

Explain in detail about encapsulation with an example?

4 10908

What is meant by event handling?

2 6876

What is an exception?

6 8419

What is meant by final class, methods and variables?

3 9112

What is the difference between getCodeBase and getDocumentBase methods?

CS Business Services,

1 12300

explain the concept of inheritance with an example?

Polaris,

9 26165

Define interface?

MindCracker,

3 6074

What is files manifesting?

1 2267

Explain method overloading and overriding?

6 15447

What is meant by packages?

4 10831

Explain the concept of polymorphism with examples?

Summation Tech,

6 13652

What is meant by serialisation and deserialisation?

4 9222

What is static variable and static method?

Accenture, Prolific, Prolifics, TCS, TNH,

32 106420

Explain about vector, dictionary,hash table, property classes?

Patni,

1 9696

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Un-Answered Questions { Core Java }

Explain public static void main(string args[]) in java.

1053

Write a program to print count of empty strings in java 8?

1071

Realized?

2240

How to create a base64 decoder in java8?

1119

How to sort array in descending order in java?

976

explain different ways of using thread? : Java thread

1068

Write a program to find the whether a number is an Armstrong number or not?

1085

What are the differences between heap and stack memory in java?

1114

What do you mean by an interface in java?

1084

What is parsing in java?

1022

Is minecraft 1.15 out?

1024

What is java string pool?

1068

Differentiate between static and non-static methods in java.

1106

What is an object in java and how is it created?

1110

What is a classloader in java?

1072

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