9. Here are some additional resources that may be helpful for implementing LTI in Java

IMS Global Learning Consortium LTI Developer Resources: This page provides links to the LTI Advantage specifications and other resources for developers.

LTI Advantage Test Tool: This tool allows you to test your LTI Advantage implementation against a set of test cases.

Java SDK for LTI Advantage: This is a Java SDK for implementing LTI Advantage APIs, developed by the Apereo Foundation.

Learning Tools Interoperability Core Specification 1.3

https://www.imsglobal.org/spec/lti/v1p3

IMS Global - LTI Utilities - Git Repo

https://github.com/1EdTech/basiclti-util-java

Here is the source code for org.imsglobal.lti.toolProvider.ContentItem.java

http://www.java2s.com/example/java-src/pkg/org/imsglobal/lti/toolprovider/contentitem-0abe7.html

Recipe for Making LTI 1 Tool Providers

https://www.imsglobal.org/recipe-making-lti-1-tool-providers