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Core Java Interview Questions
Questions Answers Views Company eMail

What is a hashmap used for?

 640

What is the new line character?

 552

Where is the find and replace?

 526

What is string pooling concept?

 548

What is parseint?

 527

Does substring create a new object?

 524

What is charat ()?

 525

What is the r character?

 582

How do you declare a variable?

 620

What does int argc char * argv [] mean?

 511

How do you change an int to a string?

 543

How do you escape a string?

 501

What is difference between filereader and bufferedreader?

 527

What does indexof mean?

 528

What is the use of bufferedreader?

 527

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Un-Answered Questions { Core Java }

Can an integer be null java?

553

What is a parameter in java?

542

Mention some features of java?

535

How do you compare objects in java?

495

Why do we need wrapper classes?

569




Write code of any action class?

544

Differentiate between == and equals().

589

What is object english?

581

When is finally block not called?

580

Is java type safe?

504

What is a percentage sign called?

615

What is the difference between the ">>" and " >>>" operators in java?

503

how to deploy apache tomcat server to weblogic server in java

1593

What class allows you to read objects directly from a stream in java programming?

506

Is null a string in java?

552

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