hertzsprung

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                      http://maven.apache.org/xsd/settings-1.0.0.xsd">
	<servers>
		<server>
			<id>sonatype-nexus-snapshots</id>
			<username>myusername</username>
			<password>mypassword</password>
		</server>

hertzsprung

button.addActionListener(e -> { ui.dazzle(e.getModifiers()); });

hertzsprung

button.addActionListener(new ActionListener() { 
    public void actionPerformed(ActionEvent e) { 
        ui.dazzle(e.getModifiers());
    }
});

hertzsprung

List<String> names = Arrays.asList("Alice", "Bob", "Charlie", "Dave");
List<String> filteredNames = names
        .filter(e -> e.length() >= 4)
        .into(new ArrayList<String>());
for (String name : filteredNames) {
    System.out.println(name);
}

hertzsprung

List<String> names = Arrays.asList("Alice", "Bob", "Charlie", "Dave");
names
   .filter(e -> e.length() >= 4)
   .forEach(e -> { System.out.println(e); });

hertzsprung

List<String> names = Arrays.asList("Alice", "Bob", "Charlie", "Dave");
names
   .mapped(e -> { return e.length(); })
   .asIterable() // returns an Iterable of BiValue elements
                 // an element's key is the person's name, its value is the string length
   .filter(e -> e.getValue() >= 4)
   .sorted((a, b) -> a.getValue() - b.getValue())
   .forEach(e -> { System.out.println(e.getKey() + '\t' + e.getValue()); });

hertzsprung

Factory<Biscuit> biscuitFactory = Biscuit::new;
Biscuit biscuit = biscuitFactory.make();

hertzsprung

interface Accessor<BEAN, PROPERTY> {
        PROPERTY access(BEAN bean);
}

public static void main(String[] args) {
        Address address = new Address("29 Acacia Road", "Tunbridge Wells");
        Accessor<Address, String> accessor = Address::getCity;
        System.out.println(accessor.access(address));
}

hertzsprung

executorService.submit(MethodReference::sayHello);

private static void sayHello() {
        System.out.println("hello");
}

hertzsprung

Arrays.asList("Alice", "Bob", "Charlie", "Dave").forEach(System.out::println);