JAVA Program to reverse an Array

Write a JAVA Program to reverse an Array.

Description:This JAVA program reverse elements in an array . Save this Java program named "ReverseArray.java"

Program / Code:

import java.io.*;

import java.util.Scanner;

class ReverseArray

{

    public static void main(String args[])

    {

         int i,n,temp;

        

         Scanner in=new Scanner(System.in);

         System.out.println("Enter a range: ");

         n=in.nextInt();

         int a[]=new int[n];

         System.out.println("Enter Elements: ");

         for(i=0;i<n;i++)

         a[i]=in.nextInt();

         if(n<1)

         System.out.println("Invalid Entry");

         else

         for(i=0;i<n/2;i++)

         {

             temp=a[i];

             a[i]=a[n-1-i];

             a[n -1 - i]= temp;

         }

         for(i=0;i<n;i++)

         System.out.print(" "+a[i]);       

    }

}

Output: