Java Apache POI Programs - Basic to Advanced Last Updated : 23 Jul, 2025 Comments Improve Suggest changes Like Article Like Report This Java Apache POI program guide provides a variety of programs on Java POI, that are frequently asked in the technical round in various Software Engineering/core JAVA Developer Interviews. Additionally, All practice programs come with a detailed description, Java code, and output. Apache POI is an open-source java library to create and manipulate various file formats based on Microsoft Office. Using POI, one should be able to perform create, modify and display/read operations on the following file formats. Apache POI provides stream-based processing, that is suitable for large files and requires less memory. In Java Interviews, POI questions are generally asked by Interviewer So, it's necessary to practice these questions in order to succeed in the Interview. Java POI Word Programs for Practice: Complete ListIn this section, we delve into the world of Java POI Word programs for practice, offering a hands-on approach to mastering document processing in Java. How to Create a Blank Word Document Using Java?Java Program to Write a Paragraph in a Word DocumentHow to Apply Borders to the Text in a Word Document Using Java?Java Program to Add Tables to a Word DocumentHow to Format the Text in a Word Document Using Java?Java Program to Align the Text in a Word documentJava POI Excel Programs for Practice: Complete ListHere in this section you'll have gained valuable insights into leveraging Java POI for data extraction, formatting, and automation, empowering you to tackle real-world spreadsheet challenges with confidence. Java Program to Create Blank Excel SheetHow to Write Data into Excel Sheets Using Java?How to Create Different Types of Cells in a Spreadsheet Using Java?How to Apply Different Styles to a Cell in a Spreadsheet Using Java?How to Apply Fonts to the Contents of a Cell Using Java?How to Set Direction to the Text in Cell using Java?How to Create Hyperlinks in Spreadsheet using Java?How to Set the Print Area of a Spreadsheet Using Java?Java Program to Insert Data from a Database to a Spread SheetJava POI PPT Programs for Practice: Complete ListJava Program to Create a Blank PPT DocumentAdding Images to a Slide in a PPT using JavaCreating Hyperlinks on a Slide in a PPT using JavaFormatting Text on a Slide in a PPT using JavaMerging Multiple PPTs using JavaConverting the Slides of a PPT into Images using JavaConclusionIn Conclusion, By practising these Java POI Word , Excel , ppt questions you will get enough confidence to face any Java POI related questions in your upcoming Interview. Also, feel free to check out our Java interview questions collection - it could come in handy! Comment More infoAdvertise with us Next Article Interview Preparation For Software Developers K kartik Follow Improve Article Tags : Java Java Programs Apache-POI 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