Open In App

Java Apache POI Programs – Basic to Advanced

Last Updated : 21 Jun, 2024
Improve
Improve
Like Article
Like
Save
Share
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 List

In 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.

  1. How to Create a Blank Word Document Using Java?
  2. Java Program to Write a Paragraph in a Word Document
  3. How to Apply Borders to the Text in a Word Document Using Java?
  4. Java Program to Add Tables to a Word Document
  5. How to Format the Text in a Word Document Using Java?
  6. Java Program to Align the Text in a Word document

Java POI Excel Programs for Practice: Complete List

Here 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.

  1. Java Program to Create Blank Excel Sheet
  2. How to Write Data into Excel Sheets Using Java?
  3. How to Create Different Types of Cells in a Spreadsheet Using Java?
  4. How to Apply Different Styles to a Cell in a Spreadsheet Using Java?
  5. How to Apply Fonts to the Contents of a Cell Using Java?
  6. How to Set Direction to the Text in Cell using Java?
  7. How to Create Hyperlinks in Spreadsheet using Java?
  8. How to Set the Print Area of a Spreadsheet Using Java?
  9. Java Program to Insert Data from a Database to a Spread Sheet

Java POI PPT Programs for Practice: Complete List

  1. Java Program to Create a Blank PPT Document
  2. Adding Images to a Slide in a PPT using Java
  3. Creating Hyperlinks on a Slide in a PPT using Java
  4. Formatting Text on a Slide in a PPT using Java
  5. Merging Multiple PPTs using Java
  6. Converting the Slides of a PPT into Images using Java

Conclusion

In 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!

Java Apache POI Programs – FAQs

1. What can I use instead of Apache POI in Java?

FastExcel is an alternative to the Apache POI library. FastExcel supports a limited set of features – it focuses on speed and memory reduction. In Fast Excel, each worksheet in the workbook can be generated by a different thread, while fully supporting shared strings and styles.

2. Why we use Apache POI in Java?

Apache POI provides stream-based processing, that is suitable for large files and requires less memory. Apache POI is able to handle both XLS and XLSX formats of spreadsheets.

3. What is the best library for Excel in Java?

Apache POI is a widely used Java Excel library. If you are automating a Financial Application, then all the financial calculations can be handled by retrieving data from formulated Excel Cells instead of writing a complex automation utility


https://media.geeksforgeeks.org/auth/avatar.png
GeeksforGeeks
Improve
Next Article
Java JDBC Programs - Basic to Advanced

Similar Reads

Opening Existing Excel sheet in Java using Apache POI
Apache POI is a powerful API by which one can read, write and modify any Microsoft document like powerpoint, world, or excel. Apache POI have different classes and method to work upon different MS Office Document. POIFS -It's Stand for "Poor Obfuscation Implementation File System". This component is the basic factor of all other POI elements. It is
2 min read
Creating Sheets in Excel File in Java using Apache POI
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. For Example, java doesn’t provide built-in support for working with excel files, so we need to look for open-source APIs
3 min read
Java Program to Draw a Shape in Excel Sheet using Apache POI
Apache POI supports customized printing by allowing users to select a range of cells in order to configure the desired print area in a worksheet using Java Program. The top-most shape is the patriarch. This is not visible on the sheet at all. To start drawing you need to call createPatriarch on the HSSFSheet class. Let's take an example to Create a
4 min read
How to Create Formula Cell in Excel Sheet using Java and Apache POI?
In the previous article, we have seen how to read data from the formula cell, here we are going to create the formula cell using Apache POI. In this article, we are creating an Excel file with three columns consisting of values and the last column is the formula cell which is calculated from the other cells by defining a certain formula, here we ar
2 min read
How to Read Data from Password Protected Excel using Java and Apache POI?
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. For Example, Java doesn’t provide built-in support for working with excel files, so we need to look for open-source APIs
2 min read
How to Fill Background Color of Cells in Excel using Java and Apache POI?
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. For Example, Java doesn’t provide built-in support for working with excel files, so we need to look for open-source APIs
3 min read
How to Write Data from HashMap to Excel using Java in Apache POI?
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. For Example, Java doesn’t provide built-in support for working with excel files, so we need to look for open-source APIs
3 min read
How to Write Data from Excel File into a HashMap using Java and Apache POI?
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. For Example, Java doesn’t provide built-in support for working with excel files, so we need to look for open-source APIs
3 min read
Working with Microsoft Excel Using Apache POI and JExcel API with a Maven Project in Java
In the software industry, information needs to be portable and hence any valid data is available in XLS and XLSX formats i.e. excel formats. In order to communicate between excel formats and java, we need to use Apache POI and JExcel APIs. Let us see in this article how to use them via a sample maven project. Necessary dependencies to be used for u
7 min read
Reading and Writing Data to Excel File in Java using Apache POI
In Java, reading an Excel file is not similar to reading a Word file because of cells in an Excel file. JDK does not provide a direct API to read data from Excel files for which we have to toggle to a third-party library that is Apache POI. Apache POI is an open-source java library designed for reading and writing Microsoft documents in order to cr
5 min read
Article Tags :
Practice Tags :
We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy
Lightbox