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OOPS concepts are the four main principles of Object-Oriented Programming: Inheritance, Encapsulation, Abstraction, and Polymorphism.
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.
Abstraction: Hiding the complex implementation details and showing only the necessary features of an object.
Polymorph...
Streams are sequences of data that allow for efficient processing of large amounts of data in a continuous manner.
Streams are used for processing data in a continuous and efficient manner.
They allow for reading and writing data in chunks rather than all at once.
Examples include reading a file line by line, processing a live video feed, or receiving real-time data from a network connection.
Collection framework is a unified architecture for representing and manipulating collections of objects in Java.
Provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating groups of objects
Includes algorithms for searching, sorting, and manipulating collections
Allows for easy iteration over collections using iterators or enhanced for loops
Java is a high-level programming language known for its portability, security, and object-oriented features.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).
It is known for its strong security features, such as automatic memory management and built-in exception handling.
Java is an object-oriented language, allowing for modular and reusable code through classes and ob...
A functional interface is an interface that contains only one abstract method.
Functional interfaces can have multiple default or static methods, but only one abstract method.
Functional interfaces are used in lambda expressions and method references.
Examples of functional interfaces in Java include Runnable, Callable, and Comparator.
Java 8 introduced several new features including lambda expressions, streams, and the new Date and Time API.
Lambda expressions allow for more concise code and easier parallel programming.
Streams provide a way to process collections of objects in a functional style.
The new Date and Time API offers improved date and time handling compared to the old Date and Calendar classes.
I applied via Naukri.com and was interviewed before Aug 2023. There were 2 interview rounds.
30 minutes Aptitude test
Java is a high-level programming language known for its portability, security, and object-oriented features.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).
It is known for its strong security features, such as automatic memory management and built-in exception handling.
Java is an object-oriented language, allowing for modular and reusable code through classes and objects...
Collection framework is a unified architecture for representing and manipulating collections of objects in Java.
Provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating groups of objects
Includes algorithms for searching, sorting, and manipulating collections
Allows for easy iteration over collections using iterators or enhanced for loops
OOPS concepts are the four main principles of Object-Oriented Programming: Inheritance, Encapsulation, Abstraction, and Polymorphism.
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.
Abstraction: Hiding the complex implementation details and showing only the necessary features of an object.
Polymorphism: ...
Streams are sequences of data that allow for efficient processing of large amounts of data in a continuous manner.
Streams are used for processing data in a continuous and efficient manner.
They allow for reading and writing data in chunks rather than all at once.
Examples include reading a file line by line, processing a live video feed, or receiving real-time data from a network connection.
A functional interface is an interface that contains only one abstract method.
Functional interfaces can have multiple default or static methods, but only one abstract method.
Functional interfaces are used in lambda expressions and method references.
Examples of functional interfaces in Java include Runnable, Callable, and Comparator.
Java 8 introduced several new features including lambda expressions, streams, and the new Date and Time API.
Lambda expressions allow for more concise code and easier parallel programming.
Streams provide a way to process collections of objects in a functional style.
The new Date and Time API offers improved date and time handling compared to the old Date and Calendar classes.
Top trending discussions
I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Easy
This round was held during university hours and consisted of 2 coding questions.
Round duration - 120 minutes
Round difficulty - Easy
Make sure you do no cutting and are clear about the approach you'd be following.
Running median of an input stream is the median value of the numbers seen so far in a continuous stream of data.
Maintain two heaps - a max heap for the lower half of the numbers and a min heap for the upper half.
Keep the number of elements in the two heaps balanced or differ by at most 1.
If the total number of elements is odd, the median is the root of the max heap. If even, it is the average of the roots of the two he...
Prepare for company-wise interview questions according to the company in which you are applying. Try to write the code yourself and if got stuck in between then take help from the internet. I recommend you Codezen of Coding Ninjas for practicing Data Structures and Algorithms based questions.
Application resume tips for other job seekersBe sure 100% of what you write in your resume and prepare for that before the interview what is written on resume.
Final outcome of the interviewSelectedI applied via Walk-in and was interviewed in Jan 2020. There were 3 interview rounds.
Basic structure of an HTML page includes doctype declaration, html, head, and body tags.
DOCTYPE declaration specifies the HTML version
HTML tag wraps the entire content of the page
Head tag contains meta information, title, and links to external resources
Body tag contains the visible content of the page
Box Model is a concept in CSS where every element is treated as a box with content, padding, border, and margin.
Box Model consists of content, padding, border, and margin.
Content is the actual content of the box.
Padding is the space between the content and the border.
Border is the line that goes around the padding and content.
Margin is the space outside the border.
posted on 12 Jun 2021
I applied via Naukri.com and was interviewed in Aug 2020. There were 5 interview rounds.
Interfaces define a contract for classes to implement certain methods and properties.
Interfaces allow for polymorphism and loose coupling.
Classes can implement multiple interfaces.
Interfaces cannot be instantiated on their own.
Interfaces can have default method implementations.
Interfaces can be used to enforce design patterns like the adapter pattern.
I applied via Company Website and was interviewed in Aug 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.
based on 1 interview experience
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