Update README.md

README.md

@@ -261,14 +261,21 @@ public class TestJSON {
 	public TestJSON() {
         // Crear un JSON
         Collection<Employee> colection = new ArrayList<Employee>();
-        Employee e1 = new Employee("John", "Doe");
-        Employee e2 = new Employee("Anna", "Smith");
-        Employee e3 = new Employee("Peter", "Jones");
+        Employee e1 = new Employee();
+        e1.firstName="John";
+        e1.lastName= "Doe";
+        Employee e2 = new Employee();
+        e1.firstName="Anna";
+		e1.lastName= "Smith";
+        Employee e3 = new Employee();
+        e1.firstName="Peter";
+		e1.lastName= "Jones";
         colection.add(e1);
         colection.add(e2);
         colection.add(e3);
         Gson gson = new Gson();
         String json_represntation = gson.toJson(colection);
+        System.out.print("Representación : \n" + json_represntation);
         System.out.print(json_represntation);
         // al revés, pero más complicado
         // procesar un mensaje recibido con JSON, en el que no solo hay tipos Empoyee
@@ -292,6 +299,7 @@ public class TestJSON {
         String json_recibido2 = "[{\"firstName\":\"John\", \"lastName\":\"Doe\"},{\"firstName\":\"Anna\", \"lastName\":\"Smith\"},{\"firstName\":\"Peter\", \"lastName\": \"Jones\"}]";
        
         HashMap<String,Object> mensaje = gson.fromJson(json_recibido, jType);
+        System.out.println(" ----- ");
         System.out.println(mensaje.get("mensaje"));
         System.out.println(mensaje.get("id"));
        
@@ -307,11 +315,12 @@ public class TestJSON {
 
   }
 
-  public static void main(String args[]) {
-        new TestJSON();
-  }
+	public static void main(String args[]) {
+		new TestJSON();
+	}
 
 }
+
 ```
 
 Crea la clase Employee.java:
@@ -322,10 +331,9 @@ public class Employee {
 	public String firstName;
 	public String lastName;
 
-	public Employee(String firstName, String lastName) {
-		super();
-		this.firstName = firstName;
-		this.lastName = lastName;
+
+	public Employee() {
+		// TODO Auto-generated constructor stub
 	}
 
 	public String toString() {