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OOPS concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation detail
PDO stands for PHP Data Objects, a database access layer providing a uniform method of access to multiple databases.
PDO is a PHP extension that provides a data-access abstraction layer.
It supports multiple database systems like MySQL, PostgreSQL, SQLite, etc.
PDO helps prevent SQL injection attacks by using prepared statements.
It allows for error handling and supports transactions.
Example: $pdo = new PDO('mysql:host=loc...
Basic coding and MySQL queries. Like Types of join, having and where difference etc.
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I applied via Company Website and was interviewed before Sep 2019. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
Question were very basic from array and stacks
SDLC lifecycle involves planning, designing, developing, testing, deploying, and maintaining software components and architecture.
SDLC (Software Development Life Cycle) includes phases like planning, designing, coding, testing, and maintenance.
Components are designed, developed, tested, and integrated into the overall architecture.
Architecture involves defining the structure, behavior, and interactions of software comp...
I applied via LinkedIn and was interviewed in Feb 2023. There were 6 interview rounds.
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
Android lifecycle refers to the series of states that an activity or fragment goes through from creation to destruction.
Android lifecycle includes states like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.
Activities and fragments transition between these states based on user interactions and system events.
Understanding Android lifecycle is crucial for managing resources, saving state, and handling config...
Fragment lifecycle refers to the series of events that occur in the lifespan of a fragment in an Android app.
Fragments go through various states like created, started, resumed, paused, stopped, and destroyed.
Fragment lifecycle methods include onCreate(), onCreateView(), onResume(), onPause(), onStop(), onDestroy(), etc.
Fragment lifecycle is closely tied to the hosting activity's lifecycle.
Understanding fragment lifecyc...
Question on Linked list. array and string manipulation.
I applied via Job Portal
Medium to hard level DSA from leetcode
Medium to hard level DSA from leetcode
based on 4 interviews
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