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Core Java Interview Questions
Questions Answers Views Company eMail

What is return null in java?

 502

Where is java located?

 489

What is treeset in java collection?

 513

What is map and hashmap in java?

 610

Is null in java?

 543

What is the arraylist in java?

 520

What is queue in java?

 549

Why do we need array in java?

 524

Why arraylist is not synchronized in java example?

 459

What is the use of arraylist in java?

 518

What is a arraylist in java?

 548

Which is better list or arraylist in java?

 485

Why do we override tostring method in java?

 490

What is the default size of set in java?

 494

What is the maximum size of hashmap in java?

 523

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Un-Answered Questions { Core Java }

Can you give names of Container classes?

1844

Can you override private or static method in java?

540

How do you do math powers in java?

568

What is java in detail?

550

Explain the importance of import keyword in java?

515




Explain the private field modifier?

602

what is method reference in java 8?

548

What is mean by collections in java?

558

Is an array a vector?

544

Are primitives objects?

554

Which class is the superclass of all classes?

592

What is the use of static class?

536

How do you escape in java?

570

How do you join strings in java?

510

Why java applets are more useful for intranets as compared to internet?

571

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