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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 108877

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

3 13607

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

2339

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

2 20262

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 21231

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

1 7712

relation between list and linked list

1 4455

why java does not contain pointers?

13 17412

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 8922

java program with complete 4 oops concepts implemented example

3157

What is diffrance between FINALIZE() & FINALLY ?

2 5239

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 9357

Nested classes VS Inner classes?

3 6406

what is the difference between String and StringBuffer classes?

2 5512

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

2 14574

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Infosys Core Java Interview Questions

Infosys Core Java Interview Questions (61)

Un-Answered Questions

Explain callappengine () with syntax?

764

What is your greatest concern about investment banking right now?

1825

Explain the protected field modifier?

1098

how does ELR works? explain

2689

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

2006

what is encapsulation in java? Explain

1116

Can you define framework manager?

1030

What are private blockchains?

Why do we need custom tags in jsp?

890

What is stad?

1172

Explain how to open iis configuration manager?

1006

Can we make activex dll also ti execute in some process as that of client ? How can we do?

4746

How can you track login parameters of users in teradata?

1195

How is hql query created?

410

What is oauth token?

441