5.6: Class members.

app/developer.ts

@@ -0,0 +1,16 @@
+class Developer {
+  department: string;
+  private _title: string;
+
+  get title(): string {
+    return this._title;
+  }
+
+  set title(title: string) {
+    this._title = title.toUpperCase();
+  }
+
+  documentRequirements(requirements: string): void {
+    console.log(requirements);
+  }
+}