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  1. JAVA QUESTIONS 50 - LeetCode

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  2. LeetCode - The World's Leading Online Programming Learning Platform

    Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

  3. Java coding interview questions - Discuss - LeetCode

    Aug 21, 2020 · Write a java program to accept a variable x. x can be any number from 1 to 230-1. Generate a file with x number of lines and each line consist of a string that is unique with 100 …

  4. Explore - LeetCode

    LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore.

  5. Start your Coding Practice - Help Center

    LeetCode is working on providing the best online coding experience for you. In the code editor, we start you off with default code templates based on the question and your choice of language.

  6. LeetCode 75 - Study Plan - LeetCode

    LeetCode 75 Summary 75 Essential & Trending Problems Must-do problem list for interview prep Best for 1~3 month of prep time

  7. LRU Cache - LeetCode

    Design a data structure that follows the constraints of a Least Recently Used (LRU) cache. Implement the LRUCache class: LRUCache(int capacity) Initialize the LRU cache with positive size capacity. int …

  8. Sort Characters By Frequency - LeetCode

    Can you solve this real interview question? Sort Characters By Frequency - Given a string s, sort it in decreasing order based on the frequency of the characters. The frequency of a character is the …

  9. Fizz Buzz - LeetCode

    Can you solve this real interview question? Fizz Buzz - Given an integer n, return a string array answer (1-indexed) where: * answer [i] == "FizzBuzz" if i is ...

  10. Top = OOPs Interview Questions in Java with Answers - LeetCode

    Jun 19, 2023 · Ans: Object-oriented programming (OOP) in Java is a programming methodology or paradigm (model) to design a computer program using classes and objects. It is the most popular …