Second Smallest Number

import java.util.*;
public class SecondSmallestElement
{
    public static void main(String args[])
    {
        int size=0,smin=0,temp=0;
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter array size: ");
        size=sc.nextInt();
        int ar[]=new int[size];
        System.out.println("Enter array elements:-");
        for(int i=0;i<size;i++)
        {
            ar[i]=sc.nextInt();
        }
        smin=ar[0];
        for(int i=0;i<size-1;i++)
        {
            for(int j=0;j<size-1-i;j++)
            {
                if(ar[j]>ar[j+1])
                {
                    temp=ar[j];
                    ar[j]=ar[j+1];
                    ar[j+1]=temp;
                }
            }
            smin=ar[1];
        }
        System.out.println("The second smallest element in the array is "+smin);
    }
}