Java.util.Arrays.sort(Object[ ]) Method

---

---

Description

The java.util.Arrays.sort(Object[]) method sorts the specified array of Objects into ascending order according to the natural ordering of its elements.

Declaration

Following is the declaration for java.util.Arrays.sort() method

 public static void sort(Object[] a) 

Parameters

a − This is the array to be sorted.

Return Value

This method does not return any value.

Exception

ClassCastException − if the array contains elements that are not mutually comparable (for example, strings and integers).

Example

The following example shows the usage of java.util.Arrays.sort() method.

 package com.tutorialspoint; import java.util.Arrays; public class ArrayDemo { public static void main(String[] args) { // initializing unsorted Object array Object ob[] = {27, 11, 44}; // let us print all the elements available in list for (Object number : ob) { System.out.println("Number = " + number); } // sorting array Arrays.sort(ob); // let us print all the elements available in list System.out.println("The sorted Object array is:"); for (Object number : ob) { System.out.println("Number = " + number); } } } 

Let us compile and run the above program, this will produce the following result −

 Number = 27 Number = 11 Number = 44 The sorted Object array is: Number = 11 Number = 27 Number = 44