Core Java Interview Questions
Questions Answers Views Company eMail

How do I get a substring?

531

What is basic syntax?

555

Is integer a class?

571

Why is string builder not thread safe?

595

What is the instance of an object?

559

Is string a wrapper class?

519

What is the generic function?

531

Is string an object?

661

How do you replace all in word?

533

How do you know if a value is nan?

574

Does printwriter create a file?

546

How do you use wildcards?

538

What is difference between string and stringbuffer?

499

What are the special characters?

540

What does it mean that strings are immutable?

580


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Un-Answered Questions { Core Java }

What is data type example?

556


Can we access the non-final local variable, inside the local inner class?

518


What do you mean by composition in java?

572


What is the use of protected in java?

540


What is the use of java?

530






Why packages are used?

548


What is super in java?

578


What is stack example?

549


Is java call by reference?

534


What are the differences between the constructors and methods?

588


Is class forname reflection?

520


What is early binding and late binding in java?

598


Can we assign the reference to this variable?

549


What is the functionality of the stub?

575


What is the meaning of nullable?

580