public class Main
{
// calculate average
public static double average(double numbers)
/*
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时 代 Java - nowjava.com
*/
{
double total = 0.0;
// calculate total using the enhanced for statement
for (double d : numbers)
total += d;
return total / numbers.length;
}
/**来自
nowjava - 时代Java**/
public static void main(String[] args)
{
double d1 = 10.0;
double d2 = 20.0;
double d3 = 30.0;
double d4 = 40.0;
System.out.printf("d1 = %.1f%nd2 = %.1f%nd3 = %.1f%nd4 = %.1f%n%n",
d1, d2, d3, d4);
System.out.printf("Average of d1 and d2 is %.1f%n",
average(d1, d2));
System.out.printf("Average of d1, d2 and d3 is %.1f%n",
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