Includes basic concepts of computer networks, computer architecture and technical MCQ questions. First round also includes 3 coding questions of easy level. Those who solved 2 coding questions got selected for next round.

Q1. Question from oops concept, c++ and JAVA were asked.
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Q2. Questions data structures like how to reverse a linked list were asked.
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Q3. Explain packages in java
Ans. 
Packages in Java are used to organize classes and interfaces into namespaces for better code organization and reusability.
• Packages help in avoiding naming conflicts by grouping related classes together.

• Packages can be nested within each other to create a hierarchical structure.

• Packages are declared using the 'package' keyword at the beginning of a Java file.

• Example: 'package com.example.myapp;' declares a package named
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Q4. Explain the use of public static void main
Ans. 
The public static void main method is the entry point of a Java program.
• It is a mandatory method in Java programs, as it is the starting point of execution.

• The 'public' keyword allows the main method to be accessed from outside the class.

• The 'static' keyword allows the main method to be called without creating an instance of the class.

• The 'void' keyword indicates that the main method does not return any value.

• The 'main...read more
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Q1. Questions about the awards and certification i mentioned in my resume
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Q2. Common HR questions like location....salary......why tata elxsi ect..
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Q1. Please give an introduction of yourself.
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Q2. Your comfortable programming/coding language
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Q3. What is session in java?
Ans. 
Session in Java is a way to store information about a user across multiple requests.
• Session is used to maintain stateful information about a user.

• It is created when a user first accesses a web application and remains active until the user logs out or the session times out.

• Session data is stored on the server and can be accessed by multiple requests from the same user.

• It is commonly used for user authentication, shoppin...read more
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Q4. What is Java Class Library?
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Java Class Library is a collection of pre-compiled classes and methods that provide ready-to-use functionality for Java developers.
• Java Class Library contains classes for common tasks like input/output, networking, database access, etc.

• Developers can use these classes to save time and effort by reusing existing code.

• Examples include java.lang, java.util, java.io, java.net, etc.
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Q5. Types of datatypes in Java
Ans. 
Java has several types of datatypes including primitive and reference types.
• Primitive datatypes include int, double, boolean, char, etc.

• Reference datatypes include classes, interfaces, arrays, etc.

• Examples: int age = 25; String name = "John"; int[] numbers = {1, 2, 3};

• Wrapper classes like Integer, Double, Boolean, etc. are used to wrap primitive types.
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Q6. One question was on SQL. (I had mentioned SQL in one of my academic projects)
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Q7. Please tell me What is HTML?
Ans. 
HTML stands for HyperText Markup Language. It is the standard markup language for creating web pages.
• HTML is used to structure content on the web.

• It uses tags to define elements such as headings, paragraphs, links, images, etc.

• HTML documents are interpreted by web browsers to display the content.

• Example:

  This is a heading
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Q8. How to change a div background colour?
Ans. 
To change a div background color in Java, use the setBackground() method and pass the desired color as a parameter.
• Create a reference to the div element using its id or class

• Use the setBackground() method to set the background color

• Pass the desired color as a parameter to the setBackground() method
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Test is on aptitude, reasoning, English and one Easy writing , they give 5 topic we have to write one of them.

Q1. 1.explain your project using SDLC.
Ans. 
My project followed the SDLC process to ensure efficient and effective software development.
• The project started with the planning phase where we identified the requirements and goals.

• Next, we moved on to the design phase where we created a detailed design document.

• Then, we entered the development phase where we wrote the code and tested it.

• After that, we moved on to the testing phase where we tested the software for bu...read more
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Q2. 2.What is OOP explain.
Ans. 
OOP stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent and manipulate data.
• OOP focuses on creating reusable code by organizing data and behavior into objects.

• Objects have properties (attributes) and methods (functions) that can be accessed and manipulated.

• Inheritance allows objects to inherit properties and methods from parent objects.

• Polymorphism allows objects to take ...read more
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Q3. 3.What is exception and error
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An exception is an unexpected event that occurs during program execution, while an error is a mistake in the code that prevents it from running.
• Exceptions are handled using try-catch blocks

• Errors are usually detected during compilation or runtime

• Examples of exceptions include null pointer exceptions and arithmetic exceptions

• Examples of errors include syntax errors and logical errors
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Q1. Tell me something about yourself
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Q2. What new you have heard in 8 hour.
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Q1. .net and sql server And jquery Sql qquery like delete duplucate record Interview should be hard.
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Q2. Delete duplucate record Assembly Sql query Asp.net
Ans. 
To delete duplicate records, use SQL query with DISTINCT keyword.
• Use SELECT DISTINCT to retrieve unique records.

• Use DELETE with subquery to remove duplicate records.

• In ASP.NET, use LINQ to retrieve distinct records.

• In Assembly, use loop to compare and remove duplicate records.
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Q1. Tel me about your self Family background Current company Salary package Expected salary package
Ans. 
I am a software developer with a strong background in programming and problem-solving. I have experience working in a reputable company and am seeking a competitive salary package.
• I have a Bachelor's degree in Computer Science and have been working as a software developer for the past 5 years.

• In my current company, I am responsible for developing and maintaining web applications using various programming languages and ...read more
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Q1. Covered all java concepts
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Q2. Basics of spring boot
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Q1. Stream based questions, sql queries to find correct output
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Q1. Expected salary, basic hr questions, strength and weakness
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Q1. WAP Reverse a String ?
Ans. 
Reverse a given string using Java programming language.
• Create a new empty string

• Iterate through the original string from end to start

• Append each character to the new string

• Return the new string
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Q2. Explain what is oops concepts?
Ans. 
OOPs concepts are the fundamental principles of Object-Oriented Programming.
• Encapsulation - binding data and methods together

• Inheritance - reusing code and creating a hierarchy of classes

• Polymorphism - ability of objects to take on many forms

• Abstraction - hiding implementation details and showing only necessary information
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Q1. WAP to collect all even no in list using stream API
Ans. 
WAP to collect all even no in list using stream API
• Use stream() method to convert list to stream

• Use filter() method to filter even numbers

• Use collect() method to collect filtered numbers into a list
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Q2. All annotations in spring boot
Ans. 
Spring Boot has various annotations for different purposes.
• SpringBootApplication - marks the main class of the application

• RestController - marks a class as a RESTful controller

• Autowired - marks a constructor, field, or setter method to be autowired by Spring

• GetMapping/PostMapping/PutMapping/DeleteMapping - maps HTTP requests to methods

• Component - marks a class as a Spring component

• Service - marks a class as a service l...read more
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Q1. Explain the project you had done
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