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.

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Generative AI Agents, Data Persistence, Query Languages
Beginner · Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Security, Threat Modeling, Vulnerability Assessments, Cybersecurity, Vulnerability, Data Ethics, General Data Protection Regulation (GDPR), Cyber Risk, Data Governance, Data Integrity, Data Encryption Standard, Security Management, Security Software, Compliance Management, Risk Management, Data Access, Security Strategy, NIST 800-53
Beginner · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Development Environment, Software Development Tools, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Cloud Development, Event-Driven Programming, Development Testing, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Eclipse (Software), JUnit, Data Import/Export, Kotlin, Software Installation, Database Management, File Management
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Application Deployment, CI/CD, Application Lifecycle Management, Software Documentation, Application Performance Management, Microservices
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Bayesian Statistics, Data Analysis, Statistical Inference, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Programming, Sampling (Statistics), R Programming, Markov Model, Logistic Regression, Probability, Simulations, Model Evaluation, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Database Systems, Operational Databases, Multi-Tenant Cloud Environments, Data Migration, Database Management, Data Storage Technologies, Software Installation, Performance Tuning, User Accounts, System Configuration, SQL, Virtual Environment, Disaster Recovery
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Management Consulting, Business Consulting, Interviewing Skills, Estimation, Case Studies, Business Planning, Business Management, Business Strategy, Analysis, Complex Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Javascript, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Public Health, Health Equity, Community Health, Diversity Awareness, Health Policy, Community Development, Cultural Diversity, Case Studies, Program Evaluation, Qualitative Research, Research Methodologies, Data Collection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Reinforcement Learning, Dimensionality Reduction, PyTorch (Machine Learning Library), Machine Learning Algorithms, Data Preprocessing, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Generative Adversarial Networks (GANs), Machine Learning Methods, Deep Learning, Transfer Learning, Applied Machine Learning, Pandas (Python Package), Scikit Learn (Machine Learning Library), Python Programming, Machine Learning, Artificial Neural Networks, Data Processing, Natural Language Processing, Feature Engineering
Intermediate · Course · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon Redshift, Amazon Web Services, Amazon S3, Data Warehousing, Data Store
Mixed · Course · 1 - 4 Weeks