What does "Service Builder" do in Liferay?

Service Builder is a key tool in Liferay that streamlines the development process by providing an efficient and structured way to create services and database models. It automates much of the repetitive work involved in service creation, allowing developers to define their data models in an easy-to-understand format. This results in consistent and reliable service layer code that interacts with the database.

When using Service Builder, developers define their entities and relationships in an XML file, and the tool generates all the necessary boilerplate code required for interacting with those entities, such as service classes, persistence methods, and database schema. This significantly speeds up development, reduces errors, and ensures adherence to best practices in service creation.

The other choices focus on different aspects of Liferay's functionalities: while enhancing front-end performance is important for user experience, it does not relate to Service Builder; user authentication is managed through separate frameworks and services in Liferay, and building themes pertains to the visual presentation layer, which is also unrelated to the functionality provided by Service Builder. Thus, the correct choice highlights Service Builder's primary role in creating and managing services and database interactions within Liferay applications.