Example 1: Creating an ArrayList and Adding New Elements This example shows: How to create an ArrayList using the ArrayList () constructor. How to add new elements to an ArrayList using the add () ...

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

So far, we have found ourselves using arrays to store most of our data. However, we have also noticed some limitations with arrays: You need to know the maximum size when you allocate it. You can’t ...