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Infosys Core Java Interview Questions
Questions Answers Views Company eMail

In Java why we write public static void main(String args[]) why not main()?

46 88380

Difference between Web-based applications,Client- Server applications and Distributed applications?

3 11277

how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)


What is Generic in java? Where can we write Generic ( class or method or objects or etc...)? with simple example? Thanks, Bose.

2 18304

Given: 1. package test; 2. 3. class Target { 4. public String name = “hello”; 5. } What can directly access and change the value of the variable name? 1 any class 2 only the Target class 3 any class in the test package 4 any class that extends Target

7 16339

How can we create a object of a class without using new operator.

1 6432

relation between list and linked list

1 3207

why java does not contain pointers?

13 11207

I want to run a simple hello world java ( program using a batch file. How can i run it and how to construct a batch file.

1 7288

java program with complete 4 oops concepts implemented example


What is diffrance between FINALIZE() & FINALLY ?

2 3685

why we are calling j2se why not j1se or j3se or j4se..etc is there any reason.. can u please explain it... i shocked in my interview when they asked this question please explain ans

2 7256

Nested classes VS Inner classes?

3 4161

what is the difference between String and StringBuffer classes?

2 3538

what are the major differences between jdk1.4 and jdk1.5?

2 12502

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Infosys Core Java Interview Questions

Un-Answered Questions

What is the difference between 1d and 2d array?


What is build.gradle?


What do you mean by normalisation?


The function of Differential is a) To prevent wheel skidding b) To reduce the speed of the inner wheels during turning c) To keep the speed of all the wheels same when going straight ahead d) all of the above


Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?


Explain how message is fully processed in apache storm?


Why we use parallelize in spark?


How can we use the "CreateObject("Shell.Application")" in QTP and what is the definition and purpose of it?


Can an airplane fly without a tail?


Can blocks be removed from a blockchain?


What is 'float' property in css?


What is msil, and why should developers need an appreciation of it if at all?


Why do humans have two intestines - small and big?


What are the application structure of yii 2.0 framework?


how to prepare site mix design