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Core Java Interview Questions
Questions Answers Views Company eMail

What is the difference between set and list?

 5 38886

Explain the difference between the Boolean & operator and the && operator?

 1 8082

What are File and RandomAccessFile classes?

 2 5823

What are Font and FontMetrics classes?

 1 6117

In which JDK version event-delegation model is introduced?

 1 3467

Difference between the String and StringBuffer classes?

 3 5690

Difference between the paint() and repaint() methods?

 1 14412

Difference between prefix and postfix forms of the ++operator?

 3 8706

What is the difference between throw and throws?

IBM,

10 19794

What is yielding and sleeping? how they different?

 2 4979

What is Unicast and Multicast object? Where we will use?

Scope International,

1 3138

Explain the difference between Unicast and Multicast objects?

 1 4368

What is the frontend and backedn in Java?

TCS,

3 8579

What is the difference between static and non-static variables?

 6 23481

What is the difference between the >> and >>> operators?

 1 4466

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Un-Answered Questions { Core Java }

What are java annotations?

636

What does localhost mean?

485

What is the difference between multiple processes and multiple threads?

565

What is the format specifier?

505

Difference between throw and throws?

609




What is byte [] in java?

523

Can inner class have constructor?

537

What are the two types of exceptions in java? Which are the differences between them?

503

What is static and final keyword in java?

568

What is parameters example?

541

Difference between nested and inner classes ?

595

What is the indent key?

581

can java object be locked down for exclusive use by a given thread? : Java thread

517

What is parseint?

522

What is the longest unicode character?

687

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