interview - CybAI news

29 Sep

Collections.nCopies method in Java

stp2y0 CommentsNewscoding, collection, community, development, engineering, inclusive, interview, java, software

For Explanation watch video The Collections.nCopies method in Java is used to create an immutable list consisting of the same object repeated a specified number of times. This method is part of the java.util.Collections class. public static <T> List<T> nCopies(int n, T o) Enter fullscreen mode Exit fullscreen mode Parametersn: The number of times to repeat the object in the list.o: The object to be repeated in the list. Return ValueThe method returns an immutable list containing n copies of the specified object. Key Points The list returned is immutable, meaning you cannot modify it (e.g., you cannot add or…

24 Sep

Key Points for System Design Interviews

stp2y0 CommentsNewsarchitecture, cloud, coding, community, development, dsa, engineering, inclusive, interview, software

A System Design Interview assesses your ability to design complex systems, scale them, and ensure they meet the requirements in terms of performance, reliability, and maintainability. It's a critical skill for software engineering roles, especially in senior positions. Here are key points and strategies to approach a system design interview: 1. Clarify Requirements Ask Questions: Always start by asking clarifying questions. Don’t jump into designing immediately. Understand the exact features, non-functional requirements, and constraints of the system.Identify Core Features: Pinpoint the most critical features and their priorities (e.g., user login, data storage, or high availability).Define Scope: Ensure that you are…

15 Sep

Collections.min() method in Java

stp2y0 CommentsNewscoding, community, development, engineering, inclusive, interview, java, software

For More info watch video The Collections.min method is a part of the Java Collections Framework and is used to find the minimum element in a given collection. It utilizes the natural ordering of the elements (if they implement the Comparable interface) or a specified Comparator to determine the minimum element. Description of Collections.minMethod SignaturesNatural Ordering public static <T extends Object & Comparable<? super T>> T min(Collection<? extends T> coll) Enter fullscreen mode Exit fullscreen mode Parameters:coll: The collection from which the minimum element is to be determined. All elements in the collection must implement the Comparable interface.Returns: The minimum…

14 Sep

Using HashMaps, Coding Interview Pattern

stp2y0 CommentsNewsalgorithms, coding, community, development, dsa, engineering, inclusive, interview, software

Hashmaps Hashmaps are a versatile data structure essential for many coding interview problems due to their average-case (O(1)) time complexity for insertions, deletions, and lookups. They allow you to efficiently store and retrieve key-value pairs by leveraging a hash function to distribute keys across an array. In interviews, hashmaps are frequently used to solve problems related to frequency counting, finding pairs that sum to a target value, grouping anagrams, and detecting subarrays with specific sums. Their ability to handle large datasets with minimal computational overhead makes them a valuable tool in optimizing solutions and tackling complex algorithmic challenges. Valid Anagram…

14 Sep

Why is 1 == 1 is true but 1000 == 1000 is false When dealing with Wrapper Classes in Java?

stp2y0 CommentsNewscoding, community, development, engineering, inclusive, interview, java, software

In Java, the behavior where 1 == 1 is true but 1000 == 1000 is false when dealing with wrapper classes can be surprising. This is due to how Java handles object comparison and the concept of object caching for certain values in wrapper classes.Understanding Wrapper Classes: Java has wrapper classes for primitive types (e.g., Integer for int, Double for double, etc.). These wrapper classes allow primitive types to be treated as objects, which is useful in situations where an object is required, like in collections. Autoboxing: When you compare two numbers using == and these numbers are of primitive…

02 Aug

Don Lemon is suing Elon Musk and X

stp2y0 CommentsNewscancelled, Court, Don Lemon, elon musk, entertainment, interview, lawsuit, Legal, news, the don lemon show, tv news, twitter, X

When Don Lemon's "premium" video hosting deal on X was canceled in March, a representative for the former CNN anchor . Nearly five months later, he's taking Musk and his platform to court, claiming he hasn't been paid.The former CNN anchor filed a lawsuit on Thursday against Musk and X, the reports. The suit pertains to an alleged payment agreement Lemon says Musk refuses to honor. Lemon filed his case in California Superior Court in San Francisco.Lemon claims that he agreed to produce a news and interview show on the X platform back in January. Lemon would receive $1.5 million…

16 Jun

Finding the Largest Sum Subarray: Step-by-Step Guide Using Kadane’s Algorithm

stp2y0 CommentsNewsalgorithms, career, coding, community, development, engineering, inclusive, interview, programming, software

Finding the largest sum subarray is a intermediate problem in coding interviews. In this guide, we'll explore how to locate the maximum sum of a continuous subarray using Kadane's Algorithm. Don't worry if this sounds complex at first—we'll break it down step by step. Go ahead and check them out! Find the largest sum subarray using Kadanes AlgorithmMastering Object-Oriented Programming in C++Palindrome Partitioning A Comprehensive Guidewhat is parameter in coding and what is the deference between param and argument in programminghow to inverse a matrix in c# find the first occurrence of a string Longest common substring without repeating characters…