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NetMantra Interview Questions and Answers

Updated 5 Feb 2024

Q1. What is class, object? Oops concepts in java? Struts flow.. Database ddl and dml commands? System test Ajax calls

Ans.

Questions related to software development concepts and technologies.

  • Class is a blueprint for creating objects in Java.

  • Object is an instance of a class.

  • OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction.

  • Struts is a framework for developing Java web applications.

  • Database DDL commands are used to define database schema, while DML commands are used to manipulate data.

  • System testing is a type of testing that evaluates the system as a whole.

  • Ajax calls a...read more

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Q2. What is server side state management

Ans.

Server side state management is the process of storing and managing data on the server side of a web application.

  • It involves storing data on the server instead of the client side

  • It helps maintain consistency and security of data

  • Examples include session management and database management

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Q3. Which technologies you are comfortable ?

Ans.

I am comfortable with a wide range of technologies including Java, Python, JavaScript, and SQL.

  • Proficient in Java and Python programming languages

  • Familiar with JavaScript and its frameworks such as React and Angular

  • Experienced in working with SQL databases

  • Comfortable with version control systems like Git

  • Knowledgeable in software development methodologies like Agile and Scrum

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Q4. What is string toknizer in java ?

Ans.

StringTokenizer is a class in Java that breaks a string into tokens based on a delimiter.

  • It is a legacy class that is not recommended to use in new code.

  • It is used to split a string into smaller parts based on a delimiter.

  • The default delimiter is whitespace, but it can be changed to any character or string.

  • It is useful for parsing text files or data that is separated by a specific character.

  • Example: StringTokenizer st = new StringTokenizer("Hello World", " "); while (st.hasMo...read more

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Q5. What is OOPs concept in java?

Ans.

OOPs concept in Java is a programming paradigm that focuses on objects and their interactions.

  • OOPs stands for Object-Oriented Programming

  • It emphasizes on encapsulation, inheritance, and polymorphism

  • Encapsulation is the process of hiding implementation details from the user

  • Inheritance allows a class to inherit properties and methods from another class

  • Polymorphism allows objects to take on multiple forms or behaviors

  • Example: A car is an object that has properties like color, mo...read more

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Q6. What is components of dot net

Ans.

The components of .NET include the Common Language Runtime, Framework Class Library, and ASP.NET.

  • Common Language Runtime (CLR) - manages memory, security, and execution of code

  • Framework Class Library (FCL) - collection of reusable classes, interfaces, and value types

  • ASP.NET - web application framework for building dynamic web pages and web services

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Q7. What is page life cycle

Ans.

Page life cycle refers to the series of events that occur between the time a user requests a web page and the time the page is rendered on the user's browser.

  • Page life cycle consists of several stages such as initialization, loading, rendering, and unloading.

  • During initialization, the page is created and controls are initialized.

  • During loading, the page is loaded with data and controls are populated.

  • During rendering, the page is displayed on the user's browser.

  • During unloadin...read more

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Q8. What is clr

Ans.

CLR stands for Common Language Runtime, a component of .NET framework that manages execution of .NET programs.

  • CLR is responsible for memory management, security, and exception handling.

  • It compiles code into an intermediate language (IL) and then executes it.

  • CLR allows for language interoperability, meaning that code written in different languages can be compiled to the same IL and run on the same runtime.

  • Examples of languages that can run on CLR include C#, VB.NET, F#, and ma...read more

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Q9. What is cookies

Ans.

Cookies are small text files stored on a user's computer by a website to remember user preferences and login information.

  • Cookies are used to track user activity on a website

  • They can be used to store user preferences and login information

  • Cookies can be either session cookies or persistent cookies

  • Session cookies are deleted when the user closes their browser

  • Persistent cookies remain on the user's computer until they expire or are deleted

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