public class ArrayParam1
{
    public static void main(String[] args) 
    {
        double[] myList1 = {1, 2, 3, 4};
        double[] myList2 = {5, 6, 7};
        double sum;
        
        sum = arraySum( myList1 );  // Pass array myList1 as argument

        sum = arraySum( myList2 );  // Pass array myList2 as argument
    } 
    
    public static double arraySum( double[] x )
    {
        double s = 0;
        
        for (int i = 0; i < x.length; i++ )
            s = s + x[i];

        return s;
    } 
}