Create ex-1

chapter7/ex-1

@@ -0,0 +1,10 @@
+class Person { 
+    constructor(firstname, lastname) { 
+    this.firstname = firstname; 
+    this.lastname = lastname; 
+    } 
+} 
+let person1 = new Person("Maaike", "van Putten");
+let person2 = new Person("Laurence", "Svekis");
+console.log("hello "+person1.firstname);
+console.log("hello "+person2.firstname);