Initial data commit

Task/Classes/Vala/classes.vala

@@ -0,0 +1,23 @@
+public class MyClass : Object {
+    // Instance variable
+    public int variable;
+
+    // Method
+    public void some_method() {
+        variable = 24;
+    }
+
+    // Constructor
+    public MyClass() {
+        variable = 42;
+    }
+}
+void main() {
+    // Class instance
+    MyClass instance = new MyClass();
+    print("%d\n", instance.variable);
+    instance.some_method();
+    print("%d\n", instance.variable);
+    instance.variable = 84;
+    print("%d\n", instance.variable);
+}