update slides

slides/pages/qa.md

@@ -6,7 +6,6 @@ title: Q&A
 
 Any questions about:
 
-- Seventh Assignment Sheet
 - Eighth Assignment Sheet
 - Topics from the lectures
 - Organisation

slides/pages/recap.md

 ---
 title: Agenda
-layout: center
 ---
 
-# Agenda
+# Recaps & Discussion
 
-- Presentation
-- Java
-
----
-title: Java I
----
-
-# Java JDK, JRE and JVM
-
-Know the difference between JDK, JRE and JVM.
-
-### What is JVM?
+Discuss the following topics and explain those concepts in your own words to your teammates:
+<br/>
 
-JVM (Java Virtual Machine) is an abstract machine that enables your computer to run a Java program.
-
-<div class="container flex justify-center mt-20">
-    <img src="/images/how-java-program-runs.webp" class="block w-lg"/>
-</div>
+- What is IPC?
+- What is RPC?
+- What are the differences between RPC and IPC?
+- What roles do protocols play in IPC/RPC?
+- What are common protocols used in IPC/RPC?
+- What are the external data representations used in IPC/RPC?
+- What are marshalling and unmarshalling?
 
 ---
-title: Java II
+title: HTTP(s) I
+layout: two-cols
 ---
 
-### What is JDK?
+# HTTP
 
-JDK (Java Development Kit) is a software development kit required to develop applications in Java, including JRE, the compiler, interpreter, etc.
+**HTTP** stands for **Hypertext Transfer Protocol**.
 
+It is the protocol that enables communication between different systems, transferring information and data over a network.
 
-<div class="container flex justify-center mt-20">
-    <img src="/images/jdk.webp" class="block w-sm"/>
-</div>
+It is a:
 
----
-title: Java III
----
+- Text-based protocol
+- Stateless protocol
+- Application layer protocol
 
-### What is JRE?
+It is used for:
 
-JRE (Java Runtime Environment) is a software package that provides Java class libraries, Java Virtual Machine (JVM), and other components that are required to run Java applications.
+- Client-server model
+- Request-response model
+- Distributed, collaborative, hypermedia information system
 
-<div class="container flex justify-center mt-20">
-    <img src="/images/jre.webp" class="block w-sm"/>
-</div>
+::right::
 
----
-title: Java IV
----
-
-### Relationship between JVM, JRE, and JDK
-
-
-<div class="container flex justify-center mt-20">
-    <img src="/images/jdk-jre-jvm.webp" class="block w-sm"/>
+<div class="container flex justify-center">
+    <img src="/images/http-header.png" class="block w-md"/>
 </div>
 
+
 ---
-title: Java Dev Environment Setup
-layout: center
+title: HTTP(s) II
 ---
 
-# Java Dev Environment Setup
+### A typical HTTP request
 
 <br/>
 
-- Using an IDE is recommended: [IntelliJ IDEA](https://www.jetbrains.com/idea/download/), [Eclipse](https://www.eclipse.org/downloads/)
-- Install JDK: [Oracle JDK 17](https://docs.oracle.com/en/java/javase/17/install/overview-jdk-installation.html#GUID-8677A77F-231A-40F7-98B9-1FD0B48C346A) (same version on Andorra)
-- Use [Gradle](https://gradle.org/) for building and running your project, or use the IDE's built-in tools
-- Use [Package Search](https://package-search.jetbrains.com/) to find your java libraries
-
-
----
-title: Gradle I
----
-
-# Gradle
-
-- Gradle is an open-source build automation tool focused on flexibility and performance.
-- Gradle build scripts are written using a **Groovy** or **Kotlin** DSL.
-- Check out the [Installation Guide](https://docs.gradle.org/current/userguide/installation.html)
-- `build.gradle/build.gradle.kts` is the main configuration file for a Gradle project
-- `gradlew` is the Gradle wrapper script, which is used to execute Gradle tasks for Linux or MacOS
-- `gradlew.bat` is the Gradle wrapper script for Windows
+```http
+GET / HTTP/1.1
+Host: www.example.com
+User-Agent: Mozilla/5.0
+Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
+Accept-Language: en-GB,en;q=0.5
+Accept-Encoding: gzip, deflate, br
+Connection: keep-alive
+```
 
 ---
-title: Gradle II
+title: HTTP(s) III
 ---
 
-## Write a Task in Gradle Build Script
-
-Write a task in gradle build script to run java program.
-
-```kotlin
-tasks.register<JavaExec>("<task-name>") {
-    // if your program needs input from stdin
-    standardInput = System.`in`
+### A typical HTTP response
 
-    // Set the main class to be executed
-    mainClass.set("<main-class>")
-
-    // Set classpath dependencies if needed
-    classpath = sourceSets.main.get().runtimeClasspath
-
-    // Set JVM arguments if needed
-    // jvmArgs = listOf("-Xmx512m")
+<br/>
 
-    // Set program arguments if needed
-    // args = listOf("arg1", "arg2")
-}
+```http
+HTTP/1.1 200 OK
+Date: Mon, 23 May 2005 22:38:34 GMT
+Content-Type: text/html; charset=UTF-8
+Content-Length: 155
+Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT
+Server: Apache/1.3.3.7 (Unix) (Red-Hat/Linux)
+ETag: "3f80f-1b6-3e1cb03b"
+Accept-Ranges: bytes
+Connection: close
+
+<html>
+  <head>
+    <title>An Example Page</title>
+  </head>
+  <body>
+    <p>Hello World, this is a very simple HTML document.</p>
+  </body>
+</html>
 ```
 
-See live demo in the tutorial.
-
 ---
-title: Gradle III
+title: HTTP(s) IV
 ---
 
-## Exercises I
+### HTTPS
 
-<br/>
+**Hypertext Transfer Protocol Secure (HTTPS)** is an extension of the HTTP protocol.
 
-- Create a new Gradle project
-- Adapt the java files in `exercises/client-server` to the project
-- Write a task in the Gradle build script to run the server
+**HTTP = HTTP + TLS/SSL**
 
-## Exercises II
-
-<br/>
-
-- Using threads to handle multiple clients in the server
+<div class="container flex justify-center">
+    <img src="/images/https-detailed.webp" class="block w-md"/>
+</div>