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