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Java J2EE Interview Questions
Questions Answers Views Company eMail

Does java arraylist maintain insertion order?

 534

Can list be null in java?

 564

Can vector have duplicates in java?

 491

Is integer immutable in java?

 536

Is empty list java?

 506

How do you add an arraylist to an array in java?

 497

How do you initialize an arraylist in java?

 496

How do you remove all elements from an arraylist in java?

 491

How do you add an element to an arraylist in java?

 474

How do you sort in ascending order in java?

 510

How does arraylist work in java?

 514

How define set in java?

 500

Does java initialize arrays to zero?

 493

Does java linked list allow duplicates?

 540

Can array grow dynamically in java?

 509

Un-Answered Questions { Java J2EE }

When is an object subject to garbage collection?

564

What is handler method in spring?

173

What is the difference between ioc and dependency injection in spring?

165

In how many ways we can create threads in java?

616

Why hibernate is used?

179




What do you mean by servlet context?

593

How messaging services are done, before release of JMS?

1578

Is array dynamic in java?

470

What is urn?

513

What about method local inner classes or local inner classes in java?

538

What is the default value of float and double datatype in java?

520

Why does the integer quotient -0/3 yield 0, but the double quotient -0.0/3.0 yields – 0.0?

593

What is the element?

577

Can a final variable be null?

534

Can we initialize the final blank variable?

572

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