Initial commit

test/grammer/oop/02.dart

@@ -0,0 +1,12 @@
+class Human {
+  String name = '';
+  double weight = 0;
+  double height = 0;
+
+  Human(this.name,this.weight,this.height);
+}
+
+void main(){
+  Human toly = Human("捷特",70,180);
+  print("Human: name{${toly.name},weight:${toly.weight}kg,height:${toly.height}cm}");
+}