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 difference between class & structure?

1247

What is meant by structural programming?

1030

What is meant by object oriented programming – oop?

1009

What is meant by polymorphism?

1039

What is meant by method?

1116

What is meant by class?

1018

What is the difference between private & public & friendly classes?

1084

What is the difference between conversation & casting?

1067

What is the difference between overriding & overloading?

1087

What is meant by main method?

1081

What is meant by object?

1018

What is the difference between normal report & matrix report?

1123

What is meant by design patterns?

1049

What is the difference between variable & constant?

1049

What is the difference between interface & abstract class?

1058

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Un-Answered Questions { Core Java }

What is a locale?

1163

Does importing a package imports its sub-packages as well in java?

987

Are arrays primitive data types?

1199

Explain method overloading?

1032

What is a class object?

985

What is an 8 bit word?

1059

What is serialversionuid?

1104

Is age discrete or continuous?

1152

What is collections framework?

1166

What is the locale class in java programming?

1099

What is an example of a conditional statement?

1067

Write a function for palindrome and factorial and explain?

1092

What do you mean by synchronized non access modifier?

1012

Java.util.regex consists of which classes?

1007

What is a pointer and does java support pointers?

1023

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