To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics In the above example, we already briefly explored a simpler ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

Java collection classes allow a developer to keep track of contained items in one of two ways, either by an indexed count or a key. This creates an obvious limitation where multiple values can’t be ...