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 access specifiers?

Thomson Reuters, Virtusa,

1243

Explain the concept of proper inheritance?

Thomson Reuters, Virtusa,

1112

When should a function throw an exception?

Thomson Reuters, Virtusa,

1106

When do you call copy constructor?

Tavant Technologies, Virtusa,

1027

Difference between operator overloading and function overloading

Tavant Technologies, Virtusa,

1124

Explain about OOPS concepts and fundamentals.

Syntel, Visa,

1108

State the difference between strings and arrays.

Syntel, Visa,

1329

State two differences between C and Java.

Syntel, Visa,

1396

What do you mean by pointer value and address?

Syntel, Visa,

1098

What is a two-pass assembler?

Syntel, Visa,

1104

What is the difference between a loader and a compiler?

Syntel, Visa,

1092

Explain OOPs concept.

Syntel, Visa,

1158

Explain polymorphism citing an example.

Amazon,

1103

What are exceptions

Futures First,

1155

What is command line argument

TCS,

1245

Post New Core Java Questions

Un-Answered Questions { Core Java }

How to write custom exception in java?

1116

What is finally in Java?

1139

Implement a stack with push (), pop() and min() in O(1) time.

1164

What are benefits of java?

1101

Can a final variable be initialized in constructor?

1026

How does multithreading take place on a computer with a single cpu?

1061

Can we create object of static class?

1081

What is static keyword?

1252

What is bool mean?

1143

What is the meaning of variable in research?

1057

What is the difference between I ++ and ++ I in java?

1025

What is the difference between path and classpath variables?

1105

What is return used for in java?

1074

Can we make the abstract methods static in java?

1109

What language is pass by reference?

1072

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