Government of Maharashtra Police Constable Interview Questions and Answers

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...read more

Validations used in project

• Input validation to ensure correct data type and format

• Data validation to ensure data integrity and consistency

• Business rule validation to ensure compliance with requirements

• Authentication and authorization validation to ensure secure access

• Error handling and exception validation to ensure proper handling of errors

Stored procedures are precompiled SQL statements that can be saved and reused in a database.

• Stored procedures can improve performance by reducing network traffic and improving security.

• They can be used to encapsulate business logic and provide a consistent interface to the database.

• Parameters can be passed to stored procedures, allowing for dynamic queries.

• Examples of stored procedures include ones that retrieve data,

Views in SQL are virtual tables that are based on the result of an SQL statement.

• Views are created using the CREATE VIEW statement.

• They can be used to simplify complex queries.

• They can also be used to restrict access to sensitive data.

• Views are updated automatically when the underlying tables are updated.

• They can be used to join multiple tables into a single view.

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...read more

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...read more