It's not terribly clean, but you could use indexOf() and check if it returns -1. Better than breaking out a loop.

This workshop implements exercises with one-dimensional arrays, matrices, and dynamic lists (ArrayList) in Java. It was developed applying principles of Object-Oriented Programming (OOP), Clean Code, ...

ArrayLists: ArrayLists are part of Java's "java.util" package and provide a resizable array implementation. Unlike arrays, ArrayLists can dynamically grow and shrink as elements are added or removed.