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.

University of Colorado System
Skills you'll gain: Game Design, Video Game Development, Animations, No-Code Development, Development Environment, Scripting
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Performance Management, Smart Goals, Employee Performance Management, Performance Review, Management Training And Development, People Development, Generative AI Agents, Goal Setting, Performance Analysis, Performance Measurement, Employee Coaching, HR Tech, Workforce Development, Employee Engagement, Constructive Feedback, Driving engagement, Key Performance Indicators (KPIs), Prompt Engineering, Coaching, Analytics
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon CloudWatch, Serverless Computing, CI/CD, Amazon Elastic Compute Cloud, Infrastructure as Code (IaC), Load Balancing, Continuous Deployment, DevOps, AWS Identity and Access Management (IAM), AWS CloudFormation, Cloud Management, Cloud Hosting, Amazon S3, System Monitoring, Application Deployment, API Gateway, Scalability, Enterprise Application Management, Cloud Applications, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Endpoint Detection and Response, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Anomaly Detection, Continuous Monitoring, System Monitoring, Virtual Machines, Network Security, Event Monitoring, Network Monitoring, Network Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Data Visualization, Interactive Data Visualization, Data Transformation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Heat Maps, Scatter Plots, Data Analysis, Forecasting, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Online Advertising, Search Engine Optimization, Marketing, Digital Marketing, Digital Advertising, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, Advertising, Keyword Research, Target Audience, Bidding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), AWS SageMaker, Artificial Intelligence and Machine Learning (AI/ML), Amazon Web Services, Predictive Modeling, Applied Machine Learning, Data Processing, Regression Analysis, Machine Learning, Supervised Learning, Feature Engineering, Data Cleansing, Continuous Deployment, Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud-Native Computing, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Amazon S3, Scalability, Terraform, Infrastructure As A Service (IaaS), Database Management, Command-Line Interface, Virtualization, Linux Administration
Build toward a degree
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Prompt Engineering, ChatGPT, Microsoft Copilot, Email Automation, Deepseek, Artificial Intelligence, Generative AI, Productivity, Educational Materials, Microsoft Excel, Open Source Technology
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Management, Cloud Storage, Cloud Computing Architecture, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Version Control, GitHub, Jupyter, Python Programming, Programming Principles, Data Science, Generative AI, Scripting Languages, Development Environment, Computer Programming, Scripting, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Anomaly Detection, Computer Vision, Microsoft Azure, Data Ethics, Artificial Intelligence, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning
Beginner · Course · 1 - 4 Weeks