shelajev

package org.shelajev.throwaway.defmeth;

public class Main {
  public static void main(String[] args) {
    // what does this program produce? 
    B b = new B();
    b.m1();
    b.callM1(); 
    b.callSuperM1(); 
  }

shelajev

# http://bramp.github.io/js-sequence-diagrams/
DSU solution->Genrih: notifies about upcoming update
Genrih->>DSU solution: request changed classes
DSU solution->Genrih: provides changed classes
Genrih->Diff tool: old code, new code
Diff tool->>Genrih: list of changes 
Note right of Genrih: changes => potential phenomena
Genrih->Oracle: list of phenomena
Oracle->Runtime: queries state
Runtime->>Oracle: state information

shelajev

@RestController
class ThisWillActuallyRun {
    @RequestMapping("/")
    String home() {
        return "Hello World!"
    }
}

shelajev

public class Foo {
    private String bar;
    private int number;

    public Foo() {
        // Do some stuff
    }

    public String getBar() { return this.bar; }

shelajev

class ExampleActor extends AbstractActor {
  // this child will be destroyed and re-created upon restart by default
  final ActorRef other = getContext().actorOf(new Props(OtherActor.class), "childName");

  public ExampleActor() {
    receive(ReceiveBuilder
      .match(Request1.class, r -> 
        other.tell(r.getMsg(), self())
      )
      .match(Request2.class, r -> 

shelajev

FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {

  @Override
  public void onClick(View view) {
    Snackbar.make(view, “Super fast hello world”, Snackbar.LENGTH_LONG)
      .setAction(“Action”, null).show();
  }
});

shelajev

public class Contributor {

    String login;
    String html_url;

    int contributions;

    @Override
    public String toString() {
        return login + " (" + contributions + ")";

shelajev

public interface GitHubService {
  @GET(“repos/{owner}/{repo}/contributors”)
  Call<List<Contributor>> repoContributors(
      @Path(“owner”) String owner,
      @Path(“repo”) String repo);
}

shelajev

interface GitHubService {
    @GET("repos/{owner}/{repo}/contributors")
    Call<List<Contributor>> repoContributors(
            @Path("owner") String owner,
            @Path("repo") String repo);


    public static final Retrofit retrofit = new Retrofit.Builder()
            .baseUrl("https://api.github.com/")
            .addConverterFactory(GsonConverterFactory.create())

shelajev

GitHubService gitHubService = GitHubService.retrofit.create(GitHubService.class);
Call<List<Contributor>> call = gitHubService.repoContributors(“square”, “retrofit”);
List<Contributor> result = call.execute().body();