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: Microsoft SQL Servers, Relational Databases, Database Design, SQL, Database Systems, Database Management, Query Languages, Databases, Database Architecture and Administration, Data Integrity, Servers, System Configuration, Software Installation, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Application Development, Object Oriented Design, Application Design, Program Development, Business Logic, User Interface (UI), Data Entry, Verification And Validation, Command-Line Interface, Data Validation
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Verification And Validation, Electronic Systems, Embedded Systems, Electronics Engineering, Application Specific Integrated Circuits, Electronic Hardware, Electronics, Systems Design, Software Design, Program Development, Integrated Development Environments, System Design and Implementation, Computer Architecture, Eclipse (Software), Computational Logic, Hardware Architecture, Software Development, Computer Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Electrical Systems, Electronics, Design Specifications, Hardware Design, Electronics Engineering, Electronic Hardware, Technical Design, Electronic Components, Engineering Design Process, Electronic Systems, Verification And Validation, Manufacturing Processes, Manufacturing and Production, Design Software, Project Documentation, Production Process, Design, Design Strategies, Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Deepseek, LangChain, Generative AI, LLM Application, Tool Calling, AI Workflows, AI Orchestration, Prompt Engineering, Automation, Data Integration, Cross Platform Development, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Patient Education And Counseling, Physical Therapy, Clinical Assessment, Rehabilitation, Exercise Therapy, Manual Therapy, Respiration, Coordination, Mental Health Therapies, Athletic Training, Cognitive Behavioral Therapy
Advanced · Course · 1 - 3 Months

Skills you'll gain: Analytical Skills, Statistical Methods, Exploratory Data Analysis, Business Analytics, Data Analysis, Statistical Analysis, R Programming, Visualization (Computer Graphics), Predictive Analytics, Statistical Modeling, Data Structures, Time Series Analysis and Forecasting, Regression Analysis, Programming Principles, Decision Tree Learning
Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Object Oriented Programming (OOP), Functional Design, Computer Programming, Data Structures, Integrated Development Environments, Algorithms, Computational Thinking, Unit Testing
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Apache Kafka, Multi-Tenant Cloud Environments, Data Pipelines, Real Time Data, Operational Data Store, Payment Card Industry (PCI) Data Security Standards, Data Governance, Scalability, Performance Tuning, Capacity Management, Compliance Management, Data Architecture, Application Performance Management, Governance, Apache, Cloud Storage, System Monitoring, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Enablement, Strategic Leadership, Leadership, Strategic Thinking, Data Ethics, Business Transformation
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Conflict Management, Leadership, Assertiveness, Empathy, Emotional Intelligence, Team Motivation, Business Leadership, Leadership and Management, Strategic Leadership, Verbal Communication Skills, Decision Making, Adaptability, Brand Strategy, Employee Engagement
Mixed · Course · 3 - 6 Months