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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 109044

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

3 13626

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

2343

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

2 20280

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 21252

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

1 7720

relation between list and linked list

1 4466

why java does not contain pointers?

13 17452

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

1 8934

java program with complete 4 oops concepts implemented example

3162

What is diffrance between FINALIZE() & FINALLY ?

2 5255

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 9367

Nested classes VS Inner classes?

3 6425

what is the difference between String and StringBuffer classes?

2 5525

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

2 14581

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Infosys Core Java Interview Questions

Infosys Core Java Interview Questions (61)

Un-Answered Questions

Can a class be it?s own event handler? Explain how to implement this?

997

What does conf.setmapper class do?

676

Is siri a weak artificial intelligence?

954

List some qualities which make you a good candidate for this position.?

1055

How do you make a table in excel 2019?

598

Define viewstate in .net?

964

Which is faster quick sort or merge sort?

828

Why is sugar bad for teeth?

754

why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

1736

What were entity beans?

1005

How to ensure fls while working with lightning component?

483

How do I get outlook 2019?

Is php class name case sensitive?

969

What are sources in Tensorflow?

What is transfer security?

801