lsiu

object CoinMachine {

  def changeWithBigCoin(accum: Change, changeOwing: Double, avaliableChange: Change): (Change, Double, Change) = {
    if (changeOwing < 0) throw new Error("Cannot give change with existing coins")
    else if (changeOwing == 0) return (accum, 0, avaliableChange)
    else if (changeOwing >= 5 && avaliableChange.fiveDollarsLeft > 0) changeWithBigCoin(accum.changeFiveDollar(1), changeOwing - 5, avaliableChange.changeFiveDollar(-1))
    else if (changeOwing >= 2 && avaliableChange.twoDollarsLeft > 0) changeWithBigCoin(accum.changeTwoDollar(1), changeOwing - 2, avaliableChange.changeTwoDollar(-1))
    else if (changeOwing >= 1 && avaliableChange.dollarsLeft > 0) changeWithBigCoin(accum.changeDollar(1), changeOwing - 1, avaliableChange.changeDollar(-1))
    else if (changeOwing >= 0.5 && avaliableChange.fiftycentsLeft > 0) changeWithBigCoin(accum.changeFiftyCent(1), changeOwing - 0.5, avaliableChange.changeFiftyCent(-1))
    else throw new Error("Cannot give change on remainder: " + changeOwi

lsiu

    @Test
    void "can send email without errors"() {
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext()

        StandardEnvironment environment = new StandardEnvironment()
        InputStream ins = Resources.getResourceAsStream("/application.properties")
        Properties props = new Properties()
        props.load(ins as InputStream);
        Closeables.closeQuietly(ins);
        environment.propertySources.addFirst(new PropertiesPropertySource("application", props))

lsiu

import java.io.OutputStream;
import java.net.InetSocketAddress;
import com.sun.net.httpserver.HttpServer;

public class WebApp {

    public static void main(String[] args) throws Exception {
        HttpServer server = HttpServer.create(new InetSocketAddress(9394), 0);
        server.createContext("/ping").setHandler(h -> {
            final String response = "pong!";