implementato esercizio studenti con collegamento da client via interfaccia remota

exercise1/Student.java

@@ -0,0 +1,52 @@
+package exercise1;
+
+import javax.ejb.Local;
+import javax.persistence.*;
+import javax.validation.constraints.NotNull;
+import java.io.Serializable;
+
+/**
+ * Created by Giovanni on 24/05/2015.
+ */
+@Entity
+@NamedQueries({
+        @NamedQuery(name = "findname", query = "SELECT s FROM Student s WHERE s.name =?1"),
+        @NamedQuery(name = "findsurname", query = "SELECT s FROM Student s WHERE s.surname =?1"),
+        @NamedQuery(name = "findyear", query = "SELECT s FROM Student s WHERE s.years =?1")
+})
+public class Student implements Serializable {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    @NotNull
+    private String name;
+    @NotNull
+    private String surname;
+    @NotNull
+    private String years;
+
+
+    public Student(){}
+
+    public Student (@NotNull String in_name, @NotNull String in_surname, @NotNull String in_year){
+
+        name = in_name;
+        surname = in_surname;
+        years = in_year;
+
+    }
+
+    public @NotNull String getName() {
+        return name;
+    }
+
+    public @NotNull String getSurname() {
+        return surname;
+    }
+
+    public @NotNull String getYears() {
+        return years;
+    }
+}