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

Core Java Interview Questions

Questions Answers Views Company eMail

What are the standards to place package statement within a source code file?

1 2850

What is the return type of read()?

3 5886

What is the return type of readLine() when end of a file is reached?

2 10665

What for read() function?

3 7799

What happens to the Exception object after handling an exception?

1818

What is stop(), suspend(), resume() method?

3 23939

What are MalformedURLException and UnknownHost Exceptions and whey they will be thrown?

2 3657

Under what circumstances an object reference be cast to an interface reference?

3 6955

When do you create an index?

1575

When does Exception occurs?

3 5136

In what circumstances, compiler will supply a default constructor for a class?

4 5138

When is an object in the mean to garbage collection?

3 4983

What are init(), start() methods and whey they are called?

2 7712

When finally clause is executed?

3 6342

When try and catch block is used ?

6 7174

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Un-Answered Questions { Core Java }

What are computer functions?

485

Why do we need hashset in java?

506

What is the purpose of lambda expressions?

586

Can singleton class be cloned?

565

How to use arraylist in java netbeans?

513

How do you escape sequences in java?

597

Which package is always imported by default?

551

What is the maximum size of byte array in java?

542

How many ways can an argument be passed to a subroutine and explain them?

584

What are examples of modifiers?

518

What is meant by structural programming?

555

Why do we need data structure in java?

577

Enlist diffrent types of inheritance supported by java?

489

Can we have more than one package statement in the source file?

645

What is parsing a sentence?

550

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