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.

Coursera
Skills you'll gain: Generative AI, Responsible AI, AI Product Strategy, AI powered creativity, AI literacy, Return On Investment, Data Ethics, Artificial Intelligence, Business Process Automation, Operational Efficiency, Automation, Innovation, AI Integrations, Performance Measurement, AI Workflows, Business Ethics, Product Design
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Java Programming, Java, Computational Thinking, Computer Programming, Software Design Patterns, Applied Mathematics, Geometry, Problem Solving, Solution Design, Performance Tuning
Intermediate · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: AI Personalization, Generative Engine Optimization (GEO), Machine Learning Methods, Media Strategy, Responsible AI, Machine Learning Algorithms, Machine Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, AI Enablement, Content Performance Analysis, Algorithms, Driving engagement, Generative AI, Marketing, Marketing Communications, Data Storytelling, Target Audience, Strategic Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Snowflake Schema, Star Schema, Business Intelligence, Data Modeling, Database Design, Data Management, Data Integration, Performance Tuning, Databases, Data Transformation, Query Languages, Performance Improvement
★ 4.1 (18) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Responsible AI, Incident Management, Governance, Incident Response, Data Governance, Compliance Management, Policy Development, Risk Management, Governance Risk Management and Compliance, Data Ethics, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Data Quality, Data Analysis, Data-Driven Decision-Making, Digital Analysis, Data Collection, Search Engine Optimization
Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Email Marketing, Email Automation, Target Audience, Lead Generation, Marketing Automation, Newsletters, Digital Marketing Tools, Campaign Management, Driving engagement, Promotional Strategies, Marketing Materials, Customer Relationship Management (CRM) Software, Account Management, Customer Engagement, Brand Loyalty, Sales, Growth Strategies, Automation, Law, Regulation, and Compliance
★ 5 (6) · Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Data Cleansing, Statistical Methods, Statistical Visualization, Plot (Graphics), Statistical Modeling, Data Visualization, Statistics, R (Software), Data Analysis, Statistical Software, Probability & Statistics, Data Literacy, Statistical Inference, R Programming, Descriptive Statistics, Box Plots, Data Visualization Software, Histogram, Probability
★ 4.5 (10) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Aerospace Basic Quality System Standards, Capacity Planning, Facility Management, Civil Engineering, Process Analysis, Engineering Plans And Specifications, Traffic Flow Optimization, Stormwater Management, Transportation Operations, Infrastructure Architecture, Building Codes, Safety Standards, Engineering Calculations, Forecasting, Growth Strategies
★ 4.7 (10) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Application Programming Interface (API), Web Applications, Secure Coding, Application Security
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Accounting Software, Financial Reporting, Business Reporting, Accounting and Finance Software, Management Reporting, Project Accounting, Bookkeeping, Standard Accounting Practices, Accounting, Small Business Accounting, Ledgers (Accounting), Balancing (Ledger/Billing), General Accounting, Software As A Service, Accounting Records, Expense Management, Order Management, Order Entry, Billing, Billing & Invoicing
★ 4.5 (28) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Development, Culture Transformation, Organizational Leadership, Overcoming Objections, Drive Engagement, Digital Transformation, Business Leadership, Leadership and Management, Leadership, Business Priorities, Stakeholder Analysis, Communication Planning, Internal Communications, Stakeholder Communications, Communication, Adaptability, Planning
★ 4.6 (10) · Intermediate · Course · 1 - 4 Weeks

★ 4.8 (18) · Mixed · Course · 1 - 4 Weeks