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Core Java Interview Questions
Questions Answers Views Company eMail

What does jenkins do?

 484

Explain Linked HashSet

 1 733

List methods available in Java Queue interface

 1 623

Explain Big-O notation with an example

 1 622

10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } } 10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } }

 552

What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } } 10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } }

 1 775

Why are strings immutable in Java?

 1 636

How to convert string to int in java?

 1 645

How to use scanner in java?

 1 772

How does a cookie work in Servlets?

 340

What the difference is between execute, execute Query, execute Update?

 369

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Un-Answered Questions { Core Java }

What is an infinite loop?

542

How to use arraylist in java netbeans?

504

What is the role of garbage collector in java?

487

What is collections framework?

568

What is quick sort in java?

551




What is public static?

495

Explain illegalmonitorstateexception and when it will be thrown?

613

What do you understand by synchronization?

584

What are the restrictions imposed on method overriding?

549

What is the symbol for line break?

604

Is array a class in java?

501

How to make a class or a bean serializable?

537

What is the default size of arraylist in java?

498

What is the difference between class & object?

552

What do you mean by static variable?

567

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