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: Apache Kafka, Apache Spark, Scala Programming, Real Time Data, Apache Hadoop, Data Pipelines, Apache Cassandra, Applied Machine Learning, Big Data, Data Processing, Application Deployment, Distributed Computing, Development Environment
Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Financial Statements, Working Capital, Financial Forecasting, Cost Management, Variance Analysis, Budgeting, Income Statement, Financial Acumen, Cash Flows, Capital Expenditure, Balance Sheet, Financial Analysis, Operating Expense
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Object Oriented Programming (OOP), Web Development, Web Design and Development, Scripting, UI Components, Data Validation, Programming Principles, Development Environment
Beginner · Course · 3 - 6 Months

Skills you'll gain: Unity Engine, Scripting, C# (Programming Language), Video Game Development, Game Design, Event-Driven Programming, Development Environment, Programming Principles, User Interface (UI), Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Real Time Data, Apache Spark, Apache Kafka, Data Integration, Apache Hive, Big Data, Applied Machine Learning, System Design and Implementation, Distributed Computing, Data Processing, NoSQL, MongoDB, SQL, Scalability
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: Data Storytelling, Interactive Data Visualization, Data Presentation, Data Visualization Software, Scatter Plots, Infographics, Storytelling, Geospatial Mapping, Box Plots, Histogram, Data Ethics, Design Elements And Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Android Development, Mobile Development, Real Time Data, Data Integration, UI Components, User Interface (UI), Java Programming
Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Decision Making, Strategic Decision-Making, Risking, Complex Problem Solving, Behavioral Economics, Business Ethics, Psychology
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Quality Control, Plot (Graphics), Data Literacy, Statistical Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Group Policy, Azure Active Directory, Active Directory, Microsoft Azure, Windows Servers, Hybrid Cloud Computing, Authentications, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud-Based Integration, User Accounts, Multi-Factor Authentication, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, PySpark, Apache Hadoop, Data Transformation, MySQL, Data Manipulation, Java Platform Enterprise Edition (J2EE), Data Import/Export, Data Persistence, Development Environment, Software Installation
Mixed · Course · 1 - 4 Weeks