1<body> 2 3Guava is a set of core Java libraries from Google that includes new collection 4types (such as multimap and multiset), immutable collections, a graph library, 5and utilities for concurrency, I/O, hashing, primitives, strings, and more! It 6is widely used on most Java projects within Google, and widely used by many 7other companies as well. 8 9 10<p>For more information, see <a href="https://guava.dev/">guava.dev</a>. 11</body> 12