/**
 * Example of a double array as a parameter
 * First:  recall how a primitive parameter works
 */
public class ParameterPrint{
    public static void main(String [] args) {
        int x = 5;
        double y = 3.2;
        print(x);   // calls first print() method
        print(y);   // calls first print() method

        // Create and fill an int array and a double array
        int [] a1 = {1,2,3};
        double [] d1 = {4.0, 2.6, 5.9};

        //          printArray(a1);    // Won't work!
        printArray(d1);          
    }

    /**
     * Print a primitive value
     */
    public static void print(double value)  {
        System.out.println("value = " + value);
    }

    /**
     * This method prints the array in the parameter, 1 per line
     */
    public static void printArray(double [] dArray) {
        for (int i = 0; i < dArray.length; i++)
            System.out.println(dArray[i]);
    }

}