IBM watsonx Code Assistant for Z is accessed by developers through which primary interface?

Think of it like working hands-on with IBM mainframe systems — the answer here is 'A standalone desktop application installed on IBM Z hardware'. Developers interact with wca4z through a plugin for VS Code or Eclipse-based IDEs such as IBM Developer for z/OS, keeping AI assistance within the familiar development workflow. On real mainframe exams, this concept comes up repeatedly so make sure you have it locked in.