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-# A New Kind of Java
-
-Java 8 is almost here. You can [play with the early access
-previews](http://jdk8.java.net/download.html) right now, and I think you
-should, even if you don't like Java very much. There's so much _potential_ in
-there.
-
-## The “One More Thing”
-
-The Java 8 release comes with a slew of notable library improvements: the new
-[`java.time`](http://openjdk.java.net/jeps/150) package, designed by the folks
-behind the extremely capable Joda time library; [reflective
-access](http://openjdk.java.net/jeps/118) to parameter names; [Unicode
-6.2](http://openjdk.java.net/jeps/133) support; numerous others. But all of
-these things are dwarfed by the “one last thing”:
-
-**Lambdas**.
-
-## Ok, So..?
-
-Here's the thing: all of the “modern” languages that see regular use - C#,
-Python, Ruby, the various Lisps including Clojure, and Javascript - have
-language features allowing easy creation and use of one-method values. In
-Python, that's any object with a `__call__` method (including function
-objects); in Ruby, it's blocks; in Javascript, it's `function() {}`s. These
-features allow _computation itself_ to be treated as a value and passed
-around, which in turn provides a very powerful and succinct mechanism for
-composing features.
-
-Java's had the “use” side down for a long time; interfaces like `Runnable` are
-a great example of ways to expose “function-like” or “procedure-like” types to
-the language without violating Java's bureaucratic attitude towards types and
-objects. However, the syntax for creating these one-method values has always
-been so verbose and awkward as to discourage their use. Consider, for example,
-a simple “task” for a thread pool:
-
-    pool.execute(new Runnable() {
-        @Override
-        public void run() {
-            System.out.println("Hello, world!");
-        }
-    });
-
-(Sure, it's a dumb example.)
-
-Even leaving out the optional-but-recommended `@Override` annotation, that's
-still five lines of code that only exist to describe to the compiler how to
-package up a block as an object. Yuck. For more sophisticated tasks, this sort
-of verbosity has lead to multi-role “event handler” interfaces, to amortize
-the syntactic cost across more blocks of code.
-
-With Java 8's lambda support, the same (dumb) example collapses to
-
-    pool.execute(() -> System.out.println("Hello, world"));
-
-It's the same structure and is implemented very similarly by the compiler.
-However, it's got much greater informational density for programmers reading
-the code, and it's much more pleasant to write.
-
-If there's any justice, this will completely change how people design Java
-software.
-
-## Event-Driven Systems
-
-As an example, I knocked together a simple “event driven IO” system in an
-evening, loosely inspired by node.js. Here's the echo server I wrote as an
-example application, in its entirety:
-
-    package com.example.onepointeight;
-    
-    import java.io.IOException;
-    
-    public class Echo {
-        public static void main(String[] args) throws IOException {
-            Reactor.run(reactor ->
-                reactor.listen(3000, client ->
-                    reactor.read(client, data -> {
-                        data.flip();
-                        reactor.write(client, data);
-                    })
-                )
-            );
-        }
-    }
-
-It's got a bad case of Javascript “arrow” disease, but it demonstrates the
-expressive power of lambdas for callbacks. This is built on NIO, and runs in a
-single thread; as with any decent multiplexed-IO application, it starts to
-have capacity problems due to memory exhaustion well before it starts to
-struggle with the number of clients. Unlike Java 7 and earlier, though, the
-whole program is short enough to keep in your head without worrying about the
-details of how each callback is converted into an object and without having to
-define three or four extra one-method classes.
-
-## Contextual operations
-
-Sure, we all know you use `try/finally` (or, if you're up on your Java 7,
-`try()`) to clean things up. However, context isn't always as tidy as that:
-sometimes things need to happen while it's set up, and un-happen when it's
-being torn down. The folks behind JdbcTemplate already understood that, so you
-can already write SQL operations using a syntax similar to
-
-    User user = connection.query(
-        "SELECT login, group FROM users WHERE username = ?",
-        username,
-        rows -> rows.one(User::fromRow)
-    );
-
-Terser **and** clearer than the corresponding try-with-resources version:
-
-    try (PreparedStatement ps = connection.prepare("SELECT login, group FROM users WHERE username = ?")) {
-        ps.setString(1, username);
-        try (ResultSet rows = rs.execute()) {
-            if (!rows.next())
-                throw new NoResultFoundException();
-            return User.fromRow(rows);
-        }
-    }
-
-## Domain-Specific Languages
-
-I haven't worked this one out, yet, but I think it's possible to use lambdas
-to implement conversational interfaces, similar in structure to “fluent”
-interfaces like
-[UriBuilder](http://docs.oracle.com/javaee/6/api/javax/ws/rs/core/UriBuilder.html).
-If I can work out the mechanics, I'll put together an example for this, but
-I'm half convinced something like
-
-    URI googleIt = Uris.create(() -> {
-        scheme("http");
-        host("google.com");
-        path("/");
-        queryParam("q", "hello world");
-    });
-
-is possible.
-