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 9726

What is the use of bin and lib in JDK?

TCS,

8 32577

What are Transient and Volatile Modifiers?

SAP Labs, TUP Manila,

3 14234

Difference between this(), super()?

College School Exams Tests, Oracle,

12 32674

What is a package?

2 5046

What is casting?

3 5387

Difference between an argument and a parameter?

Accounting, HCL, IBM, Quinnox,

10 44703

Explain final, finalize() and finally?

Accenture, TCS,

11 34472

What are different types of access modifiers?

3 7011

What are Encapsulation, Polymorphism and Inheritance?

5 23126

Explain different ways of passing arguments to sub-routine?

1 4990

Difference between Superclass and Subclass?

7 46104

what modifiers are used with top-level class?

2 5165

What are inner and anonymous class?

3 5903

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

BMC, Cyber Shot, Infosys, VTS, Wipro,

39 112394

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Un-Answered Questions { Core Java }

What is == and === in javascript?

562

What do you mean by access modifier?

561

Difference between string, stringbuffer and stringbuilder?

567

Is an empty arraylist null?

601

What is the functionability stubs and skeletons?

690

What is meant by object oriented programming – oop?

547

What is a local block?

643

Why there is no call by reference in java?

498

What is append function?

572

How big is a boolean?

583

How do you compare objects in java?

505

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

554

Explain super keyword in java.

587

What is boolean law?

522

Is array size fixed in java?

545

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