Java Sorting and Searching Algorithms Coding Practice Problems Last Updated : 04 Mar, 2025 Comments Improve Suggest changes Like Article Like Report Sorting and searching are essential techniques in Java programming, helping organize and retrieve data efficiently. Mastering these algorithms improves problem-solving skills, algorithmic efficiency, and coding performance in competitive programming and software development. This collection of Java sorting and searching practice problems covers fundamental sorting techniques like Bubble Sort, Merge Sort, and Binary Array Sorting, along with searching techniques like Binary Search. These coding challenges will help you strengthen your logic, optimize your code, and prepare for technical interviews.Java Sorting Algorithms Practice QuestionsBubble SortMerge SortBinary Array SortingCount the Number of Possible TrianglesThe Thief ProblemKeep Indices After SortingJava Searching Algorithms Practice QuestionsBinary Search MethodBinary Search on ArrayListSorting Algorithms – OverviewBubble Sort: A simple comparison-based sorting algorithm that repeatedly swaps adjacent elements if they are in the wrong order.Merge Sort: A divide-and-conquer sorting algorithm that recursively divides the array into halves and merges them back in sorted order.Binary Array Sorting: Sorting an array that contains only 0s and 1s using an optimal approach.Count the Number of Possible Triangles: A sorting-based mathematical problem to find valid triangles from a given set of numbers.The Thief Problem: A sorting-related problem that involves selecting optimal choices to maximize value, often linked with greedy algorithms.Keep Indices After Sorting: A problem focused on maintaining original indices while sorting an array.Searching Algorithms – OverviewBinary Search Method: A divide-and-conquer approach that searches for an element in a sorted array by repeatedly dividing the search space in half.Binary Search on ArrayList: Implementing binary search specifically on Java's ArrayList using built-in or custom methods.Mastering sorting and searching algorithms in Java improves coding efficiency, problem-solving skills, and interview readiness. Practicing these Java coding problems will help you optimize performance and tackle real-world challenges effectively. Comment More infoAdvertise with us Next Article Must Do Coding Questions - Topic-wise S swetadash2000 Follow Improve Article Tags : Java Practice Questions Practice Tags : Java Similar Reads Interview PreparationInterview Preparation For Software DevelopersMust Coding Questions - Company-wise Must Do Coding Questions - Topic-wiseCompany-wise Practice ProblemsCompany PreparationCompetitive ProgrammingSoftware Design-PatternsCompany-wise Interview ExperienceExperienced - Interview ExperiencesInternship - Interview ExperiencesPractice @GeeksforgeeksProblem of the DayTopic-wise PracticeDifficulty Level - SchoolDifficulty Level - BasicDifficulty Level - EasyDifficulty Level - MediumDifficulty Level - HardLeaderboard !!Explore More...Data StructuresArraysLinked ListStackQueueBinary TreeBinary Search TreeHeapHashingGraphAdvance Data StructuresMatrixStringAll Data StructuresAlgorithmsAnalysis of AlgorithmsSearching AlgorithmsSorting AlgorithmsPattern SearchingGeometric AlgorithmsMathematical AlgorithmsRandomized AlgorithmsGreedy AlgorithmsDynamic ProgrammingDivide & ConquerBacktrackingBranch & BoundAll AlgorithmsProgramming LanguagesCC++JavaPythonC#Go LangSQLPHPScalaPerlKotlinWeb TechnologiesHTMLCSSJavaScriptBootstrapTailwind CSSAngularJSReactJSjQueryNodeJSPHPWeb DesignWeb BrowserFile FormatsComputer Science SubjectsOperating SystemsDBMSComputer NetworkComputer Organization & ArchitectureTOCCompiler DesignDigital Elec. & Logic DesignSoftware EngineeringEngineering MathematicsData Science & MLComplete Data Science CourseData Science TutorialMachine Learning TutorialDeep Learning TutorialNLP TutorialMachine Learning ProjectsData Analysis TutorialTutorial LibraryPython TutorialDjango TutorialPandas TutorialKivy TutorialTkinter TutorialOpenCV TutorialSelenium TutorialGATE CSGATE CS NotesGate CornerPrevious Year GATE PapersLast Minute Notes (LMNs)Important Topic For GATE CSGATE CoursePrevious Year Paper: CS exams Like