Java sort arraylist alphabetically

I have a string arraylist names which contains names of people. I have to create a method that sorts an ArrayList of objects. This question already has an answer here: Sorting a collection of.

Often times, you may need to sort the ArrayList to make it alphabetically order. In this example, it shows the use of Collections. We are doing it by simply calling the Collections.

The output List will be sorted alphabetically.

The program puts each persons information into an array list. The thing I am having trouble with is sorting the list alphabetically. Actually, Java already does this for you, by making strings implement the Comparable interface.

So proceed like you would for integers, only . ArrayList Sorting Example in Java - Ascending Descending Order Code. This is indeed a good example to sort an ArrayList of String alphabetically, but this will . In Java ArrayList class extends AbstractList and implements List. At times, you may need to sort the ArrayList to make it alphabetically order.