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Reverse the string, Reverse of an array, Data base related queries
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
Exam...
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 ...
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
I applied via Referral and was interviewed before Feb 2023. There were 2 interview rounds.
To create a web page
National Informatics Centre interview questions for designations
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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...
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
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, t...
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
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 expi
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 la...
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I was interviewed before Sep 2016.
I was interviewed in Mar 2017.
Oops concepts in Java
Encapsulation - hiding implementation details
Inheritance - reusing code and creating parent-child relationships
Polymorphism - multiple forms of a method or object
Abstraction - creating abstract classes and interfaces
Example: Encapsulation - using private variables and public methods
Example: Inheritance - creating a subclass that inherits from a superclass
Example: Polymorphism - using method overloa...
Altering columns in databases involves modifying the structure of a table by adding, deleting or modifying columns.
Use ALTER TABLE statement to modify columns
Add new columns using ADD COLUMN
Delete columns using DROP COLUMN
Modify columns using MODIFY COLUMN
Changing column data type may result in data loss
Reversing a number in Java
Convert the number to a string
Use StringBuilder to reverse the string
Convert the reversed string back to a number
To extract words from a line in Java, split the line using whitespace as delimiter.
Use the split() method of String class
Pass the whitespace regex as argument to split() method
Iterate over the resulting array to get individual words
posted on 23 Sep 2017
I was interviewed in Sep 2017.
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