Java program to sort names in an alphabetical order. In this tutorial, we'll see different ways to check if a list is sorted in Java. The below given example shows how to do that in a custom class. If you want to ignore case differences when comparing two strings, use compareToIgnoreCase( ), Using the toCharArray() method. We will perform sorting on the basis of the indexing; It will start checking from 1st and if 2 strings matches with the first index it will move to the next index. We can use Collections.sort() method to sort a list in the natural ascending order. To sort a string value alphabetically − Get the required string. Rajith Pemabandu's code can be simplified if you don't need a case insensitive sort: And you can eliminate the ALPHABETICAL_ORDER method. The numerical and lexicographical (alphabetical) order is a widely used order. It works similar to java.util.Arrays.sort() method but it is better then as it can sort the elements of Array as well as linked list, queue and many more present in it. Convert the given string to a character array using the toCharArray() method.. java.util.Collections.sort() method is present in java.util.Collections class. 2. Here compareTo() function is used to sort string in an alphabetical order in java.. Some other notes on the code: contactList should be initialized with a generic: List contactList = new ArrayList<>(); Input the strings to be sorted and store them in name[]. order. Take the loop i starting from 0 to the last number of string. Here we will learn how to sort a list of Objects in Java. In the post, we will learn how to sort the name according to ASCII value. Sort the obtained array using the sort() method of the Arrays class.. Abstract Data Type Sorted List Sorted List ADT Specification (partial) Structure. Note: The LinkedList elements must implement the Comparable interface for this method to work. Now let’s learn java sort string array alphabetically. As you can see from the output, the linked list elements are sorted in ascending order by the sort method. Java Program to sort Integer list in reversed order; Java Program to sort Short array By Mayank Garg. How to Sort an Array in Java. The order may be in ascending or descending order. Java Sort List. The toCharArray() method of this class converts the String to a character array and returns it. Sort the array of strings according to alphabetical order defined by another string in C++; Sort Array of numeric & alphabetical elements (Natural Sort) JavaScript; Sort an array in descending order using C#; How to sort Java array elements in ascending order? In the given program, all strings are given as input from the console; and after sorting, all strings are printed into the console for verifying the sorting behavior. According to compareTo() function a string is less than another if it comes before the other in dictionary order and a string is greater than another if it comes after the other in dictionary . Let’s look at a quick example to sort a list of strings. Java Code to sort array elements alphabetically. The iterative approach is a simple and intuitive way to check for a sorted list. It is used to sort the elements present in the specified list of Collection in ascending order. The sorting is a way to arrange elements of a list or array in a certain order. Sort names in alphabetical order is one of the common java interview question. The strings are kept in alphabetical order. The list contains unique elements, i.e., no duplicate values as defined by the key of the list. The sort method orders the elements in their natural order which is ascending order for the type Integer.. Sorted the alphabetical names according to their ASCII value in Java Swing. In this approach, we'll iterate the list and compare the adjacent elements. The list elements again are Strings. Also read – nested classes in java. Let’s learn java program to sort names in an alphabetical order. Java – Sorting an Array of Strings in Alphabetical Order Learn to arrange an array of strings alphabetically using a simple Sava program. Iterative Approach. All the elements in the list must implement Comparable interface, otherwise IllegalArgumentException is thrown.