@@ -0,0 +1,771 @@
+package com.google.sps.data;%0A%0A%0Apublic final class Challenge%7B%0A%0A    private final String challengeName;%0A    private final long timestamp;%0A    private final Badge badge;%0A    private final ArrayList%3CUser%3E usersCompleted;%0A%0A    public Challenge(String challengeName, long timestamp, Badge badge, ArrayList%3CUser%3E usersCompleted) %7B%0A        this.timestamp = timestamp;%0A        this.challengeName = challengeName;%0A        this.badge = badge;%0A        this.usersCompleted = usersCompleted;%0A    %7D%0A%0A    public long getTimestamp() %7B%0A        return timestamp;%0A    %7D%0A%0A    public String getChallengeName() %7B%0A        return challengeName;%0A    %7D%0A%0A    public Badge getBadge() %7B%0A        return badge;%0A    %7D%0A%0A    public ArrayList%3CUser%3E usersCompleted() %7B%0A        return usersCompleted;%0A    %7D%0A%7D%0A

add challenge object