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 3631

What is the return type of read()?

3 7024

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

2 11506

What for read() function?

3 8919

What happens to the Exception object after handling an exception?

2372

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

3 25246

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

2 4714

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

3 8186

When do you create an index?

2035

When does Exception occurs?

3 6295

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

4 6525

When is an object in the mean to garbage collection?

3 6386

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

2 8627

When finally clause is executed?

3 7418

When try and catch block is used ?

6 9080

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Un-Answered Questions { Core Java }

What is final method?

1073

What should I import for arraylist in java?

1043

How do I compare two strings in word in java?

992

What is an i/o filter?

1826

Can I learn java in 3 months?

1027

What is the use of put method?

954

What is serial version uid and its importance in java?

1051

What is thread start?

961

Explain the difference between protected and default access.

1001

What is variable declaration and definition?

1005

What are the four corner stones of oop?

1040

How do you allocate memory to object?

1001

Define how objects are stored in java?

1068

How many bytes is a url?

987

Can a static block throw exception?

1099

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