Welcome to today's lesson! We're diving into four powerful concepts in Java: ArrayList, interfaces, abstract classes, and BigDecimal. These tools are like the Swiss Army knives of Java programming – ...

In this assignment, you will implement a class called CustomIntegerArrayList. This class represents a fancy ArrayList that stores integers and supports additional operations not included in Java's ...

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.