Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

Get started with one-dimensional arrays and array variables, then try out five algorithms for searching and sorting arrays in your Java programs ...

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

Sometimes we want to sort a list based on some property. suppose we have a list of usermodel and we want to sort list by firstname then we can do that easily by using collections.sort() and comparator ...

Using Arrays The array object in the Java programming language supports a built-in method for sorting objects.

How to Assign Random Numbers to an Array in Java. Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code.