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crack Java 8 Stream
StreamStream is used to process a series of operations on a collection in a pipeline. The pipeline consists of a source, zero or more intermediate operations, and a terminal operation. Stream is a one-time object that cannot be reused after the te...…
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Java Core
Thread See HereCreate a threadGenerally, we can create a thread in two ways: Implement Runnable interface or extend Thread class.But we use Runnable interface instead of Thread class, because: Thread implements runnable, when extending Thread...…
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React interview questions
Interview QuestionsWhat is React?React is a JavaScript library for building SPA (Single Page Application).It is component-based and uses a virtual DOM to improve performance. Virtual DOM : diffing algorithm to update the actual DOM, which improve...…
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Java Basic
SOLID Principlesdetailed explanation Single Responsibility Principle: A class should have only one job. Open Closed Principle: Class open for extension, closed for modification. Liskov Substitution Principle: Subclass must be su...…
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SQL
SQL questionsSearch🟢 1821. Find Customers With Positive Revenue this Year DescriptionTable: Customers+--------------+------+| Column Name | Type |+--------------+------+| customer_id | int || year | int || revenue | int |+-------...…
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Angular interview questions
React VS AngularAngular is a component-based framework used to build SPA. It has well-integrated libraries to support different features and is easy for scaling and maintaining. (emulate shadow DOM, two-way binding)React is a JS library used to bu...…
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Interview Preparation
java APIproject storyAngularReactJavaScriptJava Basic & Java 8AWS Lambda & Step FunctionsAWS Lambda is a computer service that allows us to run code without deploying and managing server. It is event-driven. Events, such as changes in an S...…
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Demo
IntroductionGood morning/afternoonI’m Chris, I have 1 year experience as a software developer. I have experience in building microservice applications with JavaEE, Spring Boot or Spring MVC, gRPC. For testing: I farmiliar with Junit, Mockito. For ...…
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LeetCode - Sword to offer 剑指offer
leetcode 剑指 offer29. Divide Two Integers67. Add Binary338. Counting Bits137. Single Number II318. Maximum Product of Word Lengths167. Two Sum II - Input Array Is Sorted209. Minimum Size Subarray Sum15. 3Sum713. Subarray Product Less Than K560. Sub...…
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OA Interviews problems
leetcode 面经BFS690. Employee ImportanceBinary search875. Koko Eating Bananasdemo875. Koko Eating Bananas Solution : XxTC : O(1)SC : O(1) Algorithm690. Employee Importance You have a data structure of employee information, including the employ...…
