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.

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 ...

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

Write a JAVA program to find the number of even and odd integers in a given array of integers. Write a JAVA program to find the second smallest elements in an array.

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.

In this blog I am going to explain Quick Sort and also implement it using Java. Quick Sort is an efficient sorting algorithm. It is also known as partition-exchange sort. Quick sort shows an average ...