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 covariant method overriding in java.

1 1175

Enlist diffrent types of inheritance supported by java?

1 998

Which one of the following suits the description of a string better: derived or primitive?

1 1018

What is the technique adopted to create an immutable class?

1 1198

List some features of the abstract class.

1 1139

What do you understand by the term singleton?

1 1049

Differentiate between == and equals().

1 1107

What is the difference between inheritance and encapsulation?

1 1209

What methodology can be utilized to link to a database?

1 1023

What methodology can be employed to locate substrings inside a string?

1 1015

Explain inheritance in java?

1 1071

What do you understand by the term string pool?

1 1081

Enlist few advantages of inheritance?

1 1138

How many techniques can be employed to create a string object?

1 1186

Differentiate between stringbuffer and string?

1 1081

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Un-Answered Questions { Core Java }

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

1053

What is a classloader in java?

1072

What do you mean by an interface in java?

1084

Differentiate between static and non-static methods in java.

1106

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

1112

What is parsing in java?

1022

explain different ways of using thread? : Java thread

1068

How to sort array in descending order in java?

976

Realized?

2239

Is minecraft 1.15 out?

1024

What is java string pool?

1068

What is the difference between equals() and == in java?

1021

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

1085

How to create a base64 decoder in java8?

1119

What is a constructor overloading in java?

1113

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