thomasdarimont

import jdk.internal.org.objectweb.asm.*;

import java.io.*;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.Consumer;

/**

thomasdarimont

Create locale registry

create-podman-registry.sh

#!/bin/sh
reg_name='kind-registry'
reg_port='5000'
running="$(podman inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)"
if [ "${running}" != 'true' ]; then

thomasdarimont

podman run -it \
  -p 8080:8080 \
  -p 8443:8443 \
  -p 8787:8787 \
  -e KEYCLOAK_ADMIN=admin \
  -e KEYCLOAK_ADMIN_PASSWORD=admin \
  -e DEBUG=true \
  -e DEBUG_PORT='0.0.0.0:8787' \
 quay.io/keycloak/keycloak:nightly \

thomasdarimont

package wb.java21;

import jdk.internal.org.objectweb.asm.ClassReader;
import jdk.internal.org.objectweb.asm.ClassVisitor;
import jdk.internal.org.objectweb.asm.MethodVisitor;
import jdk.internal.org.objectweb.asm.Opcodes;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;

thomasdarimont

package demo;

import java.nio.charset.StandardCharsets;
import java.security.InvalidAlgorithmParameterException;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;

thomasdarimont

services:
  oracle-db:
    image: container-registry.oracle.com/database/free
    environment:
      ORACLE_PWD: training
    ports:
      - "1521:1521"
    volumes:
      - ./data:/opt/oracle/oradata:z

thomasdarimont

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;

public class Main {

    // --add-opens=java.base/sun.nio.fs=ALL-UNNAMED
    public static void main(String[] args) throws Exception {

thomasdarimont

package demo.tools.build;

import com.google.auto.service.AutoService;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;

thomasdarimont

package demo;

public class InstanceOnceDemo {

    public static void main(String[] args) {

        var c1 = new MyClass(2);
        System.out.println(c1.calc());
        System.out.println(c1.calc());

thomasdarimont

package org.acme;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.container.ResourceContext;
import javax.ws.rs.core.Context;

@Path("/resource")
public class DemoResource {