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Core Java Interview Questions
Questions Answers Views Company eMail

finalize() method?

5 8559

What is the use of bin and lib in JDK?

TCS,

8 28571

What are Transient and Volatile Modifiers?

SAP Labs, TUP Manila,

3 13278

Difference between this(), super()?

College School Exams Tests, Oracle,

12 29916

What is a package?

2 4499

What is casting?

3 4648

Difference between an argument and a parameter?

Accounting, HCL, IBM, Quinnox,

10 42733

Explain final, finalize() and finally?

Accenture, TCS,

11 32225

What are different types of access modifiers?

3 6333

What are Encapsulation, Polymorphism and Inheritance?

5 22007

Explain different ways of passing arguments to sub-routine?

1 4563

Difference between Superclass and Subclass?

7 43962

what modifiers are used with top-level class?

2 4560

What are inner and anonymous class?

3 5202

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

BMC, Cyber Shot, Infosys, VTS, Wipro,

39 106228


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Un-Answered Questions { Core Java }

What are the 6 boolean operators?

318


What is the basic of java?

315


What are exception handling keywords in java?

368


What is a variable declaration?

295


What is e in java?

314






What do you mean by hashing?

399


What is the advantage of preparedstatement over statement?

326


What are scalar data types?

308


What things should be kept in mind while creating your own exceptions in java?

339


What is a default constructor and also define copy contrucyor?

355


Can we have 2 main methods in java class?

322


Are there structures in java?

293


What is the difference between static and non-static variables in java programming?

299


If an object is garbage collected, can it become reachable again?

324


How do you ensure that n threads can access n resources without deadlock?

501