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

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Description

The java.util.Arrays.sort(int[]) method sorts the specified array of ints into ascending numerical order.

Declaration

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

public static void sort(int[] a)

Parameters

• a -- This is the array to be sorted.

Return Value

This method does not return any value.

Exception

• NA

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 int array
   int iArr[] = {2, 1, 9, 6, 4};

   // let us print all the elements available in list
   for (int number : iArr) {
   System.out.println("Number = " + number);
   }

   // sorting array
   Arrays.sort(iArr);

   // let us print all the elements available in list
   System.out.println("The sorted int array is:");
   for (int number : iArr) {
   System.out.println("Number = " + number);
   }
   }
}

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

Number = 2
Number = 1
Number = 9
Number = 6
Number = 4
The sorted int array is:
Number = 1
Number = 2
Number = 4
Number = 6
Number = 9

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