Jan 20, 2012 · Be aware that Arrays.sort () method is not thread safe: if your array is a property of a singleton, and used in a multi-threaded enviroment, you should put the sorting code in a …

Nov 8, 2009 · The only way to sort a primitive array in descending order is, first sort the array in ascending order and then reverse the array in place. This is also true for two-dimensional …

How can you pass 2D array as the argument when sort expects a 1D array? This didn't work for me.

16 Update for Java 8 constructs Assuming a Book class with a name field getter, you can use Arrays.sort method by passing an additional Comparator specified using Java 8 constructs - …

Mar 22, 2014 · There is an array related problem, the requirement is that time complexity is O(n) and space complexity is O(1). If I use Arrays.sort(arr), and use a for loop to one pass loop, for …

Apr 27, 2013 · I have a List of Double objects in Java. I want to sort the ArrayList in descending order. Input ArrayList:

Sep 12, 2022 · I've got a large array of primitive types (double). How do I sort the elements in descending order? Unfortunately the Java API doesn't support sorting of primitive types with a …

How should Java Comparator class be declared to sort the arrays by their first elements in decreasing order using Arrays.sort(camels, comparator)? The compare function for reference is:

Jan 20, 2012 · I'm supposed to create an array and sort the numbers from smallest to largest. Here is what I have so far: public class bubbleSort { public static void sort (int [] arrayName){ …

May 21, 2015 · I want to sort an int[] array in Java, but store the sorted array as a new array instead of overwriting it. The most obvious way to do this seems to be to create a copy of the …