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.

Institut Mines-Télécom
Skills you'll gain: Network Engineering, Wireless Networks, Network Security, General Networking, Network Architecture, Network Infrastructure, Mobile Security, Network Protocols, Telecommunications, OSI Models, Communication Systems, Digital Communications, Dataflow, Authentications, Key Management, Encryption
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Calculus, Applied Mathematics, Derivatives, Estimation
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Labor Law, Arbitration, Tax Compliance, Environmental Regulations, Environmental Laws, Case Law, Legal Writing, Legal Research, Law, Regulation, and Compliance, Labor Relations, Labor Compliance, Tax Laws, Mediation, Litigation and Civil Justice, Commercial Laws, Regulatory Compliance, Employee Relations, Contract Management, Governance
Beginner · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Data-Driven Marketing, Marketing Analytics, Customer Analysis, Business Marketing, Advanced Analytics, Marketing Strategies, Business Analytics, Statistical Programming, Customer Insights, R Programming, R (Software), Customer Data Management, Data-Driven Decision-Making, Data Analysis Software, Target Market, Predictive Analytics, Statistical Analysis, Statistical Modeling, Predictive Modeling, Statistical Methods
Mixed · Course · 1 - 3 Months
Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Data Analysis Software, Big Data, R Programming, Statistical Programming, Statistical Software, Statistical Analysis, Data Preprocessing, Data Processing, Data Manipulation, Data Structures, Software Installation, Data Import/Export, Data Access
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Community Organizing, Social Justice, Community Development, Community and Social Work, Diversity Awareness, Social Work, Discussion Facilitation, Community Outreach, Intercultural Competence, Social Impact, Cultural Diversity, Interpersonal Communications, Conflict Management, Diversity Equity and Inclusion Initiatives, Program Evaluation, Persuasive Communication
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Media Relations, Public Relations, Target Audience, Communication Planning, Marketing and Public Relations, Strategic Communication, Media and Communications, Performance Metric, Campaign Planning, Program Evaluation, Generative AI, AI literacy, Content Creation
Beginner · Course · 1 - 3 Months

King Abdullah University of Science and Technology
Skills you'll gain: Statistical Analysis, Bioinformatics, Unix, Scientific Visualization, Statistical Programming, R (Software), Unix Shell, Statistical Methods, R Programming, Rmarkdown, Unix Commands, Data Analysis, Data Quality, Statistical Hypothesis Testing, Exploratory Data Analysis, Statistical Visualization, Linux Servers, Programming Principles, Pandas (Python Package), Python Programming
Beginner · Course · 1 - 4 Weeks

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Model Optimization, Transfer Learning, Convolutional Neural Networks, Artificial Neural Networks, Deep Learning, Model Training, Logistic Regression, Image Analysis, Applied Machine Learning, Model Evaluation, Computer Vision, Classification Algorithms, Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Statistical Methods
Intermediate · Course · 1 - 3 Months