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.

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Computational Thinking, Application Development, Python Programming, Computer Programming, Development Environment, Integrated Development Environments, Software Design, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud Deployment, YAML, Restful API, Load Balancing, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Web Development Tools, Debugging, Javascript, Integrated Development Environments, Software Development
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Control Objectives for Information and Related Technology (COBIT), Performance Management, Governance, Performance Measurement, Process Management, IT Management, Project Implementation, Program Implementation, Enterprise Architecture, Risk Management Framework, Goal Setting, Business Analysis, Business Strategies, Stakeholder Management
Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Processing, Data Warehousing, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Cloud Deployment, AI Security, Scalability, Cloud-Native Computing, Application Design, Model Deployment, Systems Architecture, Load Balancing, Maintainability, Capacity Management, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture, Containerization, Responsible AI, System Monitoring, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Statistical Process Controls, Product Quality (QA/QC), Quality Management, Quality Management Systems, Quality Improvement, ISO 9000 Series, Continuous Improvement Process, Service Improvement, Continuous Quality Improvement (CQI), Customer experience improvement, Quality Control, Process Improvement, Customer Insights, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, Front-End Web Development, Debugging, Web Development Tools, Full-Stack Web Development, Animations, Web Applications, FinTech, Application Development, Javascript, Emerging Technologies, Virtual Machines, Software Testing, Software Development Tools, Computer Programming Tools, Program Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), Event-Driven Programming, User Experience Design, User Interface (UI), Front-End Web Development, Data Management, JavaScript Frameworks, Javascript, API Design, Data Validation, Real Time Data, Web Development
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Feature Engineering, Model Evaluation, Data Analysis, Predictive Modeling, Data Wrangling, Statistical Modeling, Statistics, Data Science, Data Preprocessing, Predictive Analytics, Data Integration, Data Collection, Applied Machine Learning, R Programming, Research, Data Validation, Python Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, OpenAI API, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Generative Model Architectures, CI/CD, Embeddings, Text Mining, Containerization, Restful API, Open Source Technology, Data Preprocessing, Docker (Software)
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Agile Methodology, Product Strategy, Product Design, Market Analysis, Target Market, Stakeholder Communications, Portfolio Management, Decision Making, Data Analysis, Technical Communication, Communication, Innovation, Complex Problem Solving, Key Performance Indicators (KPIs), Prioritization
Beginner · Specialization · 1 - 3 Months