Vous amenez votre crush 😍 dans votre fast food 🍔 favori, et faites la queue pendant que le serveur 💁 prend les commandes des personnes devant vous.

<img src="/img/async/concurrent-burgers/concurrent-burgers-01.png" class="illustration">

Puis vient votre tour, vous commandez alors 2 magnifiques burgers 🍔 pour votre crush 😍 et vous.

<div class="termy">

```console
$ Get-Command python

C:\Users\user\code\awesome-project\.venv\Scripts\python
```

</div>

////

Cela signifie que le programme `python` qui sera utilisé est celui dans l’environnement virtuel.

Vous utilisez `which` sous Linux et macOS et `Get-Command` sous Windows PowerShell.

    @Test
    public void test_multiple_commands_configuration() throws Exception {
        // Test setting multiple commands without triggering execution
        final List<String> commands =
                Arrays.asList("command1 ${url} ${outputFile}", "command2 ${url} ${outputFile}", "command3 ${url} ${outputFile}");

        generator.setCommandList(commands);

        // Set disallowCompound
        config.disallowCompound = new HashSet<>(Arrays.asList("Command1", "Command2"));

        assertFalse(config.isAllowCompound("Command1"));
        assertFalse(config.isAllowCompound("Command2"));
        assertTrue(config.isAllowCompound("Command3"));
    }

    @Test
    @DisplayName("Test initResolverOrder with null/empty input")

    }

    /**
     * Executes an external command with the given parameters.
     * @param commands The command array to execute.
     * @param username The username parameter for the command.
     * @param password The password parameter for the command.
     * @return The exit code of the executed command.
     */
    protected int executeCommand(final String[] commands, final String username, final String password) {

    /**
     * Constructs an AndX message block with configuration and command
     * @param config the configuration
     * @param command the SMB command
     */
    protected AndXServerMessageBlock(final Configuration config, final byte command) {
        this(config, command, null);
    }

    /**
     * Constructs an AndX message block with command and chained command
     * @param config the configuration

                        @Override
                        public boolean isCommandOrScript(String command) {
                            return command.startsWith("!") || super.isCommandOrScript(command);
                        }
                    };
            systemRegistry.setCommandRegistries(holder.getCommandRegistries());

            super(config);
        }

        public TestServerMessageBlock(Configuration config, byte command) {
            super(config, command);
        }

        public TestServerMessageBlock(Configuration config, byte command, String path) {
            super(config, command, path);
        }

        @Override
        protected int writeParameterWordsWireFormat(byte[] dst, int dstIndex) {

    }

    AndXServerMessageBlock(final ServerMessageBlock andx) {
        if (andx != null) {
            this.andx = andx;
            andxCommand = andx.command;
        }
    }

    int getBatchLimit(final byte command) {
        /* the default limit is 0 batched messages before this
         * one, meaning this message cannot be batched.
         */
        return 0;
    }

    /*

# @param update_command [String] The command used to update the package
#   manager. Required. Think `apt-get update`.
# @param update_tracking_file [String] The location of the file tracking the
#   last time the update command was run. Required. Should be in a place that
#   is cached by vagrant-cachier.
# @param install_command [String] The command used to install a package.