Core Java Interview Questions
Questions Answers Views Company eMail

What does jenkins do?

468

Explain Linked HashSet

1 706

List methods available in Java Queue interface

1 593

Explain Big-O notation with an example

1 586

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); } }

526

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); } }

1 721

Why are strings immutable in Java?

1 609

How to convert string to int in java?

1 618

How to use scanner in java?

1 734

How does a cookie work in Servlets?

326

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

352


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Un-Answered Questions { Core Java }

Difference between static binding and dynamic binding?

537


What is "this" keyword in java? Explain

636


What is use of static in java?

498


What is the symbol for average?

495


When should I use singleton pattern?

512






What is a parameter in a function?

507


What are the supported platforms by java programming language?

540


In the below example, how many string objects are created?

528


Why is method overloading not possible by changing the return type in java?

556


What is the significance of continue jump statement? Explain with an example.

711


What is method and methodology?

578


What is type safety in java?

469


How can I become a good programmer?

462


Garbage collection in java?

569


What are the types of arrays in java?

535