Example 2: Creating an ArrayList From Another Collection This example shows: How to create an ArrayList from another collection using the ArrayList (Collection c) constructor. How to add all of the ...

Arrays are amazing tools! Unfortunately, they lack flexibility and useful methods. That's where ArrayList comes into play. An ArrayList is similar to an Array, except it is resizable and has more ...

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 ...

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