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. Programmers frequently need to ...

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 ...

Sort First half in Ascending and Second half in descending order in Java Here, in this page we will discuss the program to sort first half in ascending and second half in descending order in java ...

Each pass through the data consists of making a set of comparisons between two data items. You always start with the items in position 0 and 1, then 1 and 2, then 2 and 3 etc. Each time, you compare ...