May 2, 2014 · How can I sort this array based on user input? While using a constructor, I am returning values to the create the output. What I'd like to do is after receiving how the user would like to arrange his/her inputs, I'd like to perform something like an Arrays.sort(books[x].getBook());

Mar 23, 2015 · Arrays.sort(array); // <-- or however you want to sort the array. System.out.println("sorted array: " + Arrays.toString(array)); System.out.print("How many numbers: "); int num = IO.readInt(); double array[] = new double[num];

Jan 30, 2015 · Look into HashMap s and sorting. I have simplified your code and added comments as necessary. // number of Athletes you want. Athlete[] eAthlete = new Athlete[5]; // Name of each athlete. String[] names = { "ss", "aa", "bb", "cc", "xx" };

Apr 8, 2025 · To sort an array of strings in descending alphabetical order, the Arrays.sort () method combined with Collections.reverseOrder () method and it arranges the strings from Z to A based on lexicographical order. We can sort an array of objects by defining custom sorting logic with the help of using the Comparator interface. Explanation:

Jun 13, 2024 · The program starts by taking input from the user to define the array and then displays a menu for selecting one of six different sorting algorithms: Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort, and Heap Sort.

Apr 17, 2025 · Arrays in Java are an important data structure, and we can add elements to them by taking input from the user. There is no direct method to take input from the user, but we can use the Scanner Class or the BufferedReader class, or the InputStreamReader Class.

In this example, we will learn to execute bubble sort algorithm in Java.. In bubble sort, each element is compared with its adjacent element.

Insertion sort is a simple sorting algorithm that builds the final sorted array (or list) one item at a time. It is much less efficient on large lists than more advanced algorithms such as quicksort, heapsort, or merge sort. Create a Java program to perform …

Apr 15, 2012 · For sorting in descend order, you can specify your own comparator. Arrays.sort(array, new Comparator<Integer>() { public int compare(Integer i1, Integer i2) { return -i1.compareTo(i2); } });

QuickSort Program while taking a number of elements (i.e. size of the array) and each element as input from the user in JAVA. The purpose is to sort the array (which is given by the user), using QuickSort Algorithm in JAVA.