Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Work Breakdown Structure, Calendar Management, Timelines, Project Schedules, Scheduling, Project Planning, Project Coordination, Project Management Software, Project Management, Milestones (Project Management), Relationship Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Selenium (Software), Test Tools, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Application Frameworks, Java, Extensible Markup Language (XML), Data Import/Export
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Testability, Unit Testing, Software Testing, Test Case, Test Tools, Java
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Statistical Visualization, Geospatial Information and Technology, Data Manipulation, Scatter Plots, Plotly, Interactive Data Visualization, R Programming, Data Mapping, Animations
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Requirements Management, Project Management, Risk Management, Project Planning, Data Visualization, Agile Project Management, Microsoft Excel, Solution Design, Cost Management, Project Management Office (PMO), Business Analysis, Excel Formulas, Requirements Elicitation, Stakeholder Management, Scope Management, Pivot Tables And Charts, Dashboard, Business Analytics, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Validation, Data Processing, Data Ethics, Data Import/Export, Data Cleansing, SQL, Data Transformation, JSON, Pandas (Python Package), Generative AI, Relational Databases, Data Integrity, Unstructured Data, Application Programming Interface (API), Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Management, Infrastructure As A Service (IaaS), Distributed Denial-Of-Service (DDoS) Attacks, Cloud Computing, Cloud Security, Application Security, Internet Of Things, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, Molecular Biology, R Programming, Statistical Analysis, Command-Line Interface, Linux
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Apache Spark, Microsoft Azure, Data Integration, PySpark, Data Lakes, Data Pipelines, Jupyter, File Systems, Cloud Computing Architecture
Beginner · Course · 1 - 3 Months

Maven Analytics
Skills you'll gain: Microsoft Copilot, Microsoft Excel, Pivot Tables And Charts, Excel Formulas, People Analytics, Data Manipulation, Data Analysis, Microsoft 365, Human Resources Information System (HRIS), ChatGPT, Data Visualization, Artificial Intelligence, Generative AI
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Bioinformatics, Biotechnology, Data Management, Biostatistics, Informatics, Clinical Data Management, Precision Medicine, Data Analysis, Data Mining, Applied Machine Learning, Unsupervised Learning, Cell Biology, R Programming, Scientific Visualization, Correlation Analysis, Chemical and Biomedical Engineering, Dimensionality Reduction, Computational Thinking, Markov Model, Algorithms
Beginner · Course

Skills you'll gain: MLOps (Machine Learning Operations), Microsoft Azure, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Data Pipelines, Cloud Computing, Software Versioning, CI/CD, Continuous Monitoring, Debugging, Data Storage, Scalability, Data Quality
Intermediate · Course · 1 - 3 Months