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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 109025

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 20278

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 21250

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

1 7719

relation between list and linked list

1 4464

why java does not contain pointers?

13 17451

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 8933

java program with complete 4 oops concepts implemented example

3162

What is diffrance between FINALIZE() & FINALLY ?

2 5254

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 9366

Nested classes VS Inner classes?

3 6423

what is the difference between String and StringBuffer classes?

2 5525

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

2 14580

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Infosys Core Java Interview Questions

Infosys Core Java Interview Questions (61)

Un-Answered Questions

in govt polytechnic lecturers tell me what is the expected cut off for ece after the interview list announced

2021

Does mysql use sql?

898

Is react a library or a framework?

696

Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

1148

what is the relationship between cost accounting financial accounting and managerial accounting?

1042

How to use like conditions?

988

WHY BREAKER ARE USED IN SUBSTATIONS?

2236

How do I open an xml document?

878

What is a special period? When do you use it?

1065

Which test will be more severe for VCB?

2660

Differentiate between lists and tuples?

1039

Explain the use of File system API in Apache Spark

288

Is it required to use encryption for s3?

182

How to Create a custom word break procedure?

1936

How do I use a proxy server when invoking a web service?

998