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

Core Java Interview Questions

Questions Answers Views Company eMail

finalize() method?

5 11485

What is the use of bin and lib in JDK?

TCS,

8 35753

What are Transient and Volatile Modifiers?

SAP Labs, TUP Manila,

3 15534

Difference between this(), super()?

College School Exams Tests, Oracle,

12 36947

What is a package?

2 5943

What is casting?

3 6532

Difference between an argument and a parameter?

Accounting, HCL, IBM, Quinnox,

10 48044

Explain final, finalize() and finally?

Accenture, TCS,

11 37966

What are different types of access modifiers?

3 8364

What are Encapsulation, Polymorphism and Inheritance?

5 24982

Explain different ways of passing arguments to sub-routine?

1 5788

Difference between Superclass and Subclass?

7 48562

what modifiers are used with top-level class?

2 6191

What are inner and anonymous class?

3 7157

what is the Diff. between Access Specifiers and Access Modifiers?

BMC, Cyber Shot, Infosys, VTS, Wipro,

39 124131

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Un-Answered Questions { Core Java }

What is the purpose of the strictfp keyword?

1152

Why java is not 100% object-oriented?

1494

What are the main features of java?

963

How do you do exponents in java?

1033

What is static and final keyword in java?

1014

How can we make sure main() is the last thread to finish in java program?

1190

What is percentage in java?

996

How do you calculate square roots?

1155

What is the function of compareto in java?

1041

How are the elements of a gridbaglayout organized?

1053

What is the difference between Array and Hash Table?

1019

What is the use of accept () method in java?

1084

How do you control extraneous variables?

910

How many types of gc are there in java?

990

Can we overload the main() method?

1037

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