Arrays in Java work just like other arrays in other languages ... Examples: find what number an element is: namesList.indexOf("John")); Tell if an element is in an array list: namesList.contains("Jack ...

It is a class in the java.util package, and is defined as ArrayList list = new ArrayList<>();. Unlike arrays, ArrayLists can grow or shrink dynamically, as elements are added or removed. ArrayLists ...

However, there are collection classes in Java that act like a Java array but resize themselves automatically. Any class that extends the List interface expands dynamically. Java arrays do not expand ...