Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

In the below example, what will be the output?

1029

What is the default access specifier for variables and methods of a class?

1205

What are the two ways of implementing multi-threading in java?

1 1508

What's the difference between comparison done by equals method and == operator?

972

How infinite loop is declared?

1021

What is default switch case? Give example.

1007

What is the difference between double and float variables in java?

1153

How are destructors defined in java?

1032

In the below example, how many string objects are created?

1047

What is ternary operator?

1008

Can a class be a super class and a sub-class at the same time? Give example.

1 1564

What's the access scope of protected access specifier?

1039

I want to re-reach and use an object once it has been garbage collected. How it's possible?

1026

How can we pass argument to a function by reference instead of pass by value?

1111

Can main() method in java can return any data?

1183

Post New Core Java Questions

Un-Answered Questions { Core Java }

Why is it important to initialize a variable?

993

What is a war file?

1084

Which java version is latest?

1032

What is unicode datatype?

965

What is difference between variable declaration and definition?

970

Explain about object oriented programming and its features?

1013

Explain the difference between the public, private, final, protected, and default modifiers?

1044

What is a dynamic array in java?

1179

What is class forname used for?

1051

What is the requirement of thread in java?

1052

What is empty string literal in java?

1057

Can we print null in java?

1060

Write a java program for binary search?

1063

Is it correct to say that due to garbage collection feature in java, a java program never goes out of memory?

1019

Is vector synchronized in java?

999

For More Un-Answered { Core Java } Questions Click Here