public static boolean checkSortedness(int[] data)
{
    for(int i = 1; i < data.length; i++)
    {
        if(data[i-1] > data[i])
        {
            return false;
        }
    }
    return true;
}

public static boolean isSorted(int[] data)
{
     int previous = data[0];
     for(int i = 1; i < data.length; i++)
     {
         if(previous > data[i])
             return false;
         previous = data[i];
     }
     return true;
}