3 files changed, 10 insertions, 4 deletions
diff --git a/src/main/java/design/model/Golfer.java b/src/main/java/design/model/Golfer.java
index 1a6c7b6..04ad8bc 100644
--- a/src/main/java/design/model/Golfer.java
+++ b/src/main/java/design/model/Golfer.java
@@ -1,5 +1,7 @@
 package design.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -10,8 +12,8 @@ public class Golfer {
     private final List<Course> courses;
     private final List<Round> rounds;
 
-    // for deserialization
-    public Golfer(String username, int passwordHash, String fullName, List<Course> courses, List<Round> rounds) {
+    @JsonCreator
+    private Golfer(String username, int passwordHash, String fullName, List<Course> courses, List<Round> rounds) {
         this.username = username;
         this.passwordHash = passwordHash;
         this.fullName = fullName;
diff --git a/src/main/java/design/model/Play.java b/src/main/java/design/model/Play.java
index cf44cd8..ca6dac2 100644
--- a/src/main/java/design/model/Play.java
+++ b/src/main/java/design/model/Play.java
@@ -1,5 +1,7 @@
 package design.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -7,7 +9,7 @@ public class Play {
     private final int distance;
     private final List<Swing> swings;
 
-    // for deserialization
+    @JsonCreator
     private Play(int distance, List<Swing> swings) {
         this.distance = distance;
         this.swings = swings;
diff --git a/src/main/java/design/model/Round.java b/src/main/java/design/model/Round.java
index 39de907..048a21a 100644
--- a/src/main/java/design/model/Round.java
+++ b/src/main/java/design/model/Round.java
@@ -1,5 +1,7 @@
 package design.model;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
@@ -10,7 +12,7 @@ public class Round {
     private final Hole startingHole;
     private final List<Play> plays;
 
-    // for deserialization
+    @JsonCreator
     private Round(Course course, LocalDateTime dateTime, Hole startingHole, List<Play> plays) {
         this.course = course;
         this.dateTime = dateTime;