Blog

Integrating AI into Development with ChatGPT and IntelliJ

Integrating AI into Development with ChatGPT and IntelliJ

ChatGPT and IntelliJ

Have an idea?

Hitek is always ready to accompany you.

For Australian developers, the quest for a sharper edge is constant. The pressure to deliver clean, efficient code at speed is a familiar rhythm. But what if your IDE could do more than highlight errors? What if it could anticipate your next move, draft complex functions, or explain a legacy codebase in plain English? This isn’t a glimpse of a distant future; it’s the reality of development today, powered by the fusion of OpenAI’s ChatGPT and JetBrains’ IntelliJ IDEA.

This combination is reshaping workflows from Sydney startups to Melbourne enterprise teams, turning the powerful IntelliJ platform into an intuitive, AI-paired programming partner. Let’s explore how you can harness this synergy.

Why This Pairing is a Game-Changer for Devs

IntelliJ IDEA has long been the IDE of choice for numerous professionals, renowned for its in-depth code analysis, ergonomic design, and robust support for frameworks such as Spring and Micronaut, which are popular in the Australian tech sector. Its intelligence is rooted in understanding the structure and semantics of your code.

ChatGPT, by contrast, operates on a different plane. It’s a linguistic maestro, trained on a colossal corpus of code and text. Its strength isn’t just generating code snippets; it’s in its ability to reason, explain, and create based on natural language prompts.

When you integrate the two, you merge structural brilliance with creative intelligence. IntelliJ manages the project’s architecture, while ChatGPT acts as an on-demand senior developer, ready to assist with tasks ranging from mundane to profoundly complex.

How to Bring ChatGPT into Your IntelliJ Workflow

You don’t need a complex setup to get started. Australian developers typically employ one of three primary approaches, each with its own distinct advantages.

1. The Official OpenAI API Integration (Paid, Most Powerful)

For a seamless, integrated experience, the best method is to use a plugin that connects to the official OpenAI API. The CodeGPT or Bito plugins are excellent choices available in the JetBrains Marketplace.

  1. Install the Plugin: Navigate to Settings > Plugins > Marketplace, search for “CodeGPT,” and install it.
  2. Secure an API Key: You’ll need an API key from OpenAI’s platform. Please note that usage is billed based on consumption; however, costs for individual developers are typically very low.
  3. Configure: Paste your API key into the plugin’s settings within IntelliJ. You can now select code, right-click, and use options like “Explain Code,” “Refactor,” or “Generate Tests” directly from your editor.

This method keeps you within your IDE, offering the lowest latency and the most current model capabilities.

2. The ChatGPT Sidecar (Free, Manual)

Prefer not to pay? The simplest method is to run IntelliJ and the ChatGPT web interface side by side. This is how many began their AI-assisted coding journey.

  • Pros: Completely free (using the GPT-3.5 model), no setup required.
  • Cons: Requires constant context switching between windows. You must manually copy and paste code, which can disrupt your workflow and is less secure for sensitive information.

3. JetBrains AI Assistant (Native, Subscription-Based)

JetBrains has entered the arena with its own offering: the AI Assistant. It’s a bundled plugin that is currently a paid add-on for IntelliJ IDEA Ultimate. It’s designed to be deeply integrated with the IDE’s core features, providing code completion, documentation generation, and issue explanation that feels native to the JetBrains experience.

Real-World Use Cases: From Bush to Beach

How are Australian tech teams applying this? The applications are vast:

  • Taming Legacy Code: Inherited a monolithic codebase from a previous team? Instead of spending hours tracing logic, select a confusing method and ask ChatGPT to “Explain this function” or “Generate documentation for this class.” It can provide a clear, English summary instantly.
  • Writing Boilerplate and Tests: Generating unit tests for JUnit or Jest is a perfect task for AI. Prompt it with “Generate a JUnit 5 test for this Spring Service class” and watch it draft a comprehensive test suite you can then refine.
  • Debugging and Explanation: Hit a cryptic error message from a library like Hibernate or React? Paste the error log into ChatGPT. It will often not only explain the root cause in simple terms but also suggest multiple validated fixes.
  • Learning New Frameworks: Exploring a new tool like Micronaut or Vue 3? Use ChatGPT as an interactive tutor. Ask it to “Show me a basic example of dependency injection in Micronaut” and then iterate on the example within IntelliJ.

A Quick Guide to AI Pair-Programming

Task Your Prompt Example Best Used With
Code Explanation “Explain what this Java stream operation does:” [paste code] Legacy code, complex algorithms
Test Generation “Write a Jest test for this React component:” [paste code] Ensuring coverage, TDD workflows
Debugging “I’m getting this NullPointerException:” [paste error]. “What’s wrong?” Solving runtime errors quickly
Refactoring “Refactor this Python function to be more Pythonic:” [paste code] Improving code quality and readability
Documentation “Write a docstring for this function in the Google style format:” [paste code] Maintaining clean, documented codebases

Best Practices for the Astute Developer

AI is a powerful tool, not a replacement for expertise. The most successful Australian developers use it wisely.

  • You are the Senior Dev: Always review, test, and understand any code generated by AI. It can be confidently wrong. Treat its output as a first draft, not a final product.
  • Security First: Never paste sensitive code, API keys, or customer data into a public web interface, such as the free ChatGPT. Use the official API integration within your IDE for any code that isn’t public, as it is more secure.
  • Craft Sharp Prompts: The quality of the answer depends on the quality of the prompt. Be specific. Include the language, framework, and context of what you’re trying to achieve.
  • Stay Current: The field of AI is moving fast. Keep an eye on updates from both JetBrains and OpenAI to ensure you’re leveraging the latest advancements.

The integration of AI into development with ChatGPT and IntelliJ isn’t about making developers obsolete; it’s about making them unstoppable. It’s about automating the tedious to free up focus for the creative, complex problems that truly require a human touch.

Ready to transform your development process? Pick one use case from the table above and try it in your next IntelliJ session. The most productive future in Australian tech is coded with AI.

Picture of Khoi Tran

Khoi Tran

Khoi Tran is the Owner of Hitek Software. Passionate about contributing technical solutions to solve society's problems. Having both technical knowledge (after 6 years working as a software engineer) and business sense (by running a tech company since 2018), I position myself as a modern generation of entrepreneurs who fortunately have more advantages in this digital world.
Other news
Scroll to Top