package Item38;

import Item38.java.ExtendedOperation;

import Item38.java.Operation;

import java.util.Arrays;

import java.util.Collection;

import java.util.Collections;

public class Usage {

public static void main(String[] args) {

double x = 15456456.5;

double y = 15456456.5;

test(ExtendedOperation.class, x, y);

test(Arrays.asList(ExtendedOperation.values()), x, y);

}

private static <T extends Enum<T> & Operation> void test(Class<T> opEnumType, double x, double y) {

for (Operation op : opEnumType.getEnumConstants())

System.out.printf("%f %s %f = %f%n", x, op, y, op.apply(x, y));

}

private static void test(Collection<? extends Operation> opSet, double x, double y) {

for (Operation op : opSet)

System.out.printf("%f %s %f = %f%n", x, op, y, op.apply(x, y));

}

}