Junie – JetBrains’ AI programming assistant to independently complete code writing, testing and inspection

What is Junie

Junie is launched by JetBrainsAI Programming Assistantthrough AI technology, help developers complete programming tasks more efficiently. It can understand the project context and provide functions such as intelligent code completion, multi-line code generation, unit test generation, etc. Junie supports cross-language development and can convert code to different languages ​​in one click. Junie’s core advantage lies in the deep integration of JetBrains IDEs (such as IntelliJ IDEA and PyCharm), combining proprietary large language model (LLM), with context-aware capabilities, and providing accurate code suggestions based on project needs.

Junie’s main functions

• Task delegation and automation: Junie can accept tasks assigned by developers and independently complete tasks such as code writing, test run and project inspection. Be able to understand the project context, learn the developer’s coding style and preferences, and generate code that is more in line with team standards.
• Code generation and optimization: Junie can generate code snippets according to project requirements, optimize existing code structure, and reduce redundancy and errors. Code and tests can be run to ensure that the project is in good condition and all tests pass.
• Project Structure Analysis: Junie will analyze the project structure and technology stack, search for relevant information, and provide accurate code suggestions. Project architecture dependency graphs can be generated to help developers better understand projects.
• Code quality check: Junie is based on the powerful features of JetBrains IDE, performs syntax and semantic checks on the generated code to ensure the quality of the code. You can run a code coverage report and add tests as needed to achieve target coverage.
• Teamwork and personalization: Developers can pass .junie/guidelines.md The document provides Junie with project guidelines to optimize its performance. Junie adjusts its behavior according to project guidelines to ensure consistency in code style and practice.
• Security and Privacy Protection: Junie does not use user code to train models to ensure the confidentiality and security of the code. Provides settings that require explicit approval of unsafe commands to prevent accidental operations.

How to use Junie

• Install Junie plugin: Visit JunieOfficial websiteaccording to the plugin, supports various IDEs that support JetBrains, such as IntelliJ IDEA Ultimate and PyCharm Professional. In the IDE, search and install the Junie plug-in through the plug-in market.
• Create a JetBrains account and log in: Register an account on JetBrains official website. After the installation is complete, restart the IDE and use the JetBrains account to log in to Junie.
• Configuring and using Junie：
  • Open the Junie plug-in in the right sidebar of the IDE.
  • Enter a task description or code requirement, and Junie generates code or executes tasks based on the context.
  • Junie supports a variety of functions, such as code generation, code refactoring, test generation, document generation, etc.
• Follow the Terms of Use: When using Junie, you must comply with JetBrains’ EAP Terms of Use to ensure that the content entered meets legal requirements.

Junie’s application scenarios

• Code generation: Junie can automatically generate code snippets based on the developer’s instructions and project context. Developers can request code to generate specific functions.
• project management: Junie integrates with YouTrack, a project management tool for JetBrains, to enable developers to track tasks and issues in the IDE. Project management is more efficient, and developers do not need to switch to other tools to update task status.
• Performance Tuning: Junie integrates performance analysis tools to support developers in the IDE for performance analysis of applications. Identify and resolve performance bottlenecks such as CPU-intensive operations or memory leaks.
• Code review: Junie supports the code review process and helps team members check and improve code. Through integrated code review tools, the team can ensure that the code complies with project standards and best practices.
• Teamwork: Junie supports real-time collaboration and communication among team members through integrated communication tools such as Slack and Telegram. Keep teams in sync and resolve issues quickly.

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