shelajev

// Here's the network where both containers will join
static final Network NET = Network.newNetwork();

// The database container will join the network under the 'mysql' alias
@Container
static MySQLContainer dbContainer = 
  new MySQLContainer<>(DockerImageName.parse("mysql:8.0"))
      .withNetwork(NET)
      .withNetworkAliases("mysql");

shelajev

package com.example;
 
import io.micronaut.http.MediaType;
import io.micronaut.http.annotation.Controller;
import io.micronaut.http.annotation.Get;
import java.util.HashMap;
import java.util.Map;
 
@Controller("/")
public class FibonacciController {

shelajev

package com.example;
 
import io.micronaut.http.MediaType;
import io.micronaut.http.annotation.Controller;
import io.micronaut.http.annotation.Get;
 
@Controller("/")
public class FibonacciController {
 
    private static final StringBuilder LOG = new StringBuilder();

shelajev

public static double correlate(double[] a, double[] b) {
    if (a.length != b.length) {
        return Double.NaN;
    }
    double <w,x,y,z> = <0,0,0,0>;
    int i = 0;
    for ( ; i + 3 < a.length; i += 4) {
       <w,x,y,z> += a[<i,i+1,i+2,i+3>] * b[<i,i+1,i+2,i+3>];
    }
    double correlation = w + x + y + z;

shelajev

public static double correlate(double[] a, double[] b) {
    if (a.length != b.length) {
        return Double.NaN;
    }
    double partial[] = new double[4];
    int i = 0;
    for ( ; i + 3 < a.length; i += 4) {
        partial[0] += a[i+0] * b[i+0];
        partial[1] += a[i+1] * b[i+1];
        partial[2] += a[i+2] * b[i+2];

shelajev

class SignalCorrelation {
 
    /** Approximate {@code sin(i / 1000)}. */
    public static double sin(int i) {
        double x = i / 1000.0;
        double term3 = (x*x*x) / (3 * 2 * 1);
        double term5 = (x*x*x*x*x) / (5 * 4 * 3 * 2 * 1);
        return x - term3 + term5;
    }
 

shelajev

function lowUsage() {
    for (i = 0; i < COMPILATION_THRESHOLD; i++) {
        // Do something
    }
}

function highUsage() {
    for (i = 0; i < 100 * COMPILATION_THRESHOLD; i++) {
        // Do something
    }

shelajev

 import jdk.jfr.Event;
 import jdk.jfr.Description;
 import jdk.jfr.Label;

 public class Example {

   @Label("Hello World")
   @Description("Helps programmer getting started")
   static class HelloWorld extends Event {
       @Label("Message")

shelajev

{
  "Badge Text" : "",
  "Custom Directory" : "No",
  "Working Directory" : "\/Users\/shelajev",
  "Prompt Before Closing 2" : 0,
  "Selected Text Color" : {
    "Green Component" : 0.94760049999999996,
    "Red Component" : 0.94760049999999996,
    "Blue Component" : 0.94760049999999996
  },

shelajev

public class Main {
public static void main(String[] args) {
    GraalVM download = new GraalVM("ce", "21.1", "java11", "linux", "amd64");
    var text = """
               Get your favorite OpenJDK build with the GraalVM JIT compiler,
               capable of native image technology,
               polyglot support for JavaScript, Ruby, R, Python, Webassembly, etc
               It's cool modern and all around wonderful!
               Click here to download: %s!
               """;