codeforces 221A LittleElephantandFunction program in java

LittleElephantandFunction.java

import java.util.Scanner;
public class LittleElephantandFunction
{
    public static void main(String[] args)
    {
        Scanner z=new Scanner(System.in);
        int n=z.nextInt();
        int[] a=new int[n];
        while(n>=1){
            a[n-1]=n;
            n--;
        }
        int temp=0;
        for(int x=a.length-1;x>0;x--)
        {
            temp=a[x];
            a[x]=a[x-1];
            a[x-1]=temp;
        }
        for(int aa:a)
            System.out.print(aa+" ");
    }
}