After doing these courses, I feel confident creating professional visualizations and dashboards
Shoebur RahmanProcurement Specialist, Giz Bangladesh
Course Description
Ever wondered how applications seamlessly process data from various sources? This course takes you from basic I/O concepts to working with real-world data formats using the Tablesaw library. You’ll handle CSV files, manipulate tabular data structures, and transform complex JSON. Through hands-on exercises, you’ll develop practical skills in importing, validating, and transforming data for modern software applications.
Prerequisites
Curriculum
Course outline
1
Introduction to Data Management in Java
Kickstart your journey into data handling with Java! In this first chapter, you'll learn how to read, validate, and manage data using Java I/O Streams and then dive into the powerful Tablesaw library to easily create, explore, and manipulate data tables, the perfect foundation for modern data analysis in Java.
- Understanding Data Import Fundamentals50 XP
- Creating basic file readers100 XP
- Implementing data validation100 XP
- Java I/O Streams overview50 XP
- Reading files with BufferedReader100 XP
- Writing files with BufferedWriter100 XP
- Stream chaining100 XP
- Introduction to Tablesaw50 XP
- Creating a table100 XP
- Exploring table metadata100 XP
- Modifying table structure100 XP
2
Working with Tablesaw Fundamentals
In this second chapter, we will move on to covering CSV processing in Tablesaw. Initially, you will learn to read and write CSV files with varying formats, and then we move on to modifying tables, adding and removing columns, filtering tables and manipulating the data within tables for data cleaning and processing.
3
Advanced Data Processing with Tablesaw
Complete your Java data journey by mastering transformation patterns that allow you to modify columns, process rows, and summarize datasets into meaningful insights. You’ll also work with JSON data, from simple files to complex, nested structures - preparing you to handle modern APIs and configuration files.
J
Importing Data in Java
Course
Complete
