Java is the most widely used programming language for Eclipse projects, and Eclipse itself is written in Java. Eclipse provides extensive support for Java development, including code completion, refactoring, debugging, testing, and modeling tools.
C and C++ are among the most popular programming languages for low-level and high-performance applications. Eclipse supports C/C++ development through the CDT (C/C++ Development Tooling) project, which provides a full-featured IDE, code analysis, debugging, and testing tools.
Python is a widely used scripting language for data science, web development, automation, and more. Eclipse supports Python development through the PyDev project, which provides syntax highlighting, code completion, debugging, testing, and refactoring tools.
PHP is a popular server-side scripting language for web development. Eclipse supports PHP development through the PDT (PHP Development Tools) project, which provides a comprehensive IDE, code analysis, debugging, testing, and deployment tools.
JavaScript is a ubiquitous scripting language for web development and other domains. Eclipse supports JavaScript development through the WTP (Web Tools Platform) project, which provides a rich IDE, code analysis, debugging, testing, and deployment tools.