The following java program consists of five classes: Main, UserInput, EvenOrOdd, NearestNumbers, and ArrayAndArrayList. The Main class acts as a user interface, where the user can see a menu ...

Constructors of Java ArrayList . 1- ArrayList(): Using this we build empty array list. 2- ArrayList(Collection coll): Using this constructor we build array list that is initialized by elements of the ...

If you need to use arrays in Java that can be resized, then you might opt for the ArrayList. An ArrayList is not as fast, but it will give you more flexibility at runtime.

The EvenOddArray program separates an array of numbers into two arrays: one for even numbers and another for odd numbers. The user provides the input array using the UserInput class. EvenOddArray.java ...