extra info for other languages

cpp/instances/README.md

@@ -0,0 +1,11 @@
+# C++ Example
+
+## Language Specific
+
+c++ is almost identical to java in this example. 
+The only difference here is that c++ doesn't require the object
+to be initialized with the keyword 'new'.
+
+Relevant Files:
+
+- [main.cpp](./main.cpp)

cpp/instances/main.cpp

@@ -3,11 +3,12 @@
 
 int main() {
   // create a new car and store it in the variable 'a'
-  car a;    
+  // in contrast to java, c++ does not need initialization with the 'new' keyword here.
+  car a;
   // set some data for that car
   a.manufacturer = "Benz";
   a.model = "Velo";
-    
+
   // do the same for a second car
   car b;
   b.manufacturer = "Ford";

java/instances/Car.java

@@ -1,4 +1,4 @@
-/* 
+/*
 
 Basic Car class
 just here to make the demonstration in the main file possible

java/instances/README.md

@@ -0,0 +1,5 @@
+# Java Example
+
+Relevant Files:
+
+- [main.java](./main.java)

lessons/Instances.md

@@ -64,7 +64,7 @@ repository :)
 
 ## Examples
 
-- [Java](../java/instances)
+- [Java](../java/instances/README.md)
-- [Rust](../rust/instances)
+- [Rust](../rust/instances/README.md)
-- [C++](../cpp/instances)
+- [C++](../cpp/instances/README.md)
-- [JavaScript (using TypeScript)](../typescript/instances)
+- [JavaScript (using TypeScript)](../typescript/instances/README.md)

rust/instances/README.md

@@ -0,0 +1,10 @@
+# Rust Example
+
+## Language specific
+
+- Rust doesn't use the 'new' keyword
+- Classes in Rust require all attributes to be defined at all times, so you have to define all the data on creation.
+
+Relevant Files
+
+- [main.rs](./src/main.rs)

rust/instances/src/main.rs

@@ -3,6 +3,8 @@ use car::Information;
 
 fn main() {
   // create a new car and store it in the variable 'a'
+  // rust also doesn't use the 'new' keyword
+  // all attributes have to be defined upon creation of the object
   let a = car::Car {
     // set some data for that car
     manufacturer: "Benz".to_string(),

typescript/instances/README.md

@@ -0,0 +1,5 @@
+# Typescript Example
+
+Relevant Files
+
+- [index.ts](./index.ts)