Data commit

Task/Classes/D/classes.d

@@ -0,0 +1,43 @@
+import std.stdio;
+
+class MyClass {
+    //constructor (not necessary if empty)
+    this() {}
+
+    void someMethod() {
+        variable = 1;
+    }
+
+    // getter method
+    @property int variable() const {
+        return variable_;
+    }
+
+    // setter method
+    @property int variable(int newVariable) {
+        return variable_ = newVariable;
+    }
+
+    private int variable_;
+}
+
+void main() {
+    // On default class instances are allocated on the heap
+    // The GC will manage their lifetime
+    auto obj = new MyClass();
+
+    // prints 'variable = 0', ints are initialized to 0 by default
+    writeln("variable = ", obj.variable);
+
+    // invoke the method
+    obj.someMethod();
+
+    // prints 'variable = 1'
+    writeln("variable = ", obj.variable);
+
+    // set the variable using setter method
+    obj.variable = 99;
+
+    // prints 'variable = 99'
+    writeln("variable = ", obj.variable);
+}