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POMaking the arraylist get method work and other problems
 

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  1. POMaking the arraylist get method work and other problems
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    <p>I am coding in blueJ. My objectives are this: 1)Write a User class</p> <p>A User:</p> <pre><code>has a username e.g 'fj3' has a userType which can be: 'user', 'editor' or 'admin' has a name e.g 'Francis' has a constructor which takes the username, userType and name as parameters has a getUsername() method has a getUserType() method has a getName() method has a setUserType() method which takes one of the user types as a parameter </code></pre> <p>2)Write a UserGroup class</p> <p>The UserGroup class must have an ArrayList of Users.</p> <p>Write a constructor for the UserGroup class. It should instantiate the ArrayList.</p> <p>In UserGroup write a method called .addSampleData() which creates 10 Users and using the ArrayList's add() method put the 10 new User objects into the ArrayList.</p> <p>In UserGroup write a getUser method which takes an int as a parameter and returns the User in that slot of the ArrayList.</p> <p>In UserGroup write a printUsernames() method in UserGroup:</p> <p>Using an enhanced for loop (see above), loop through the ArrayList and print the username and userType of each user in the ArrayList.</p> <p>What I have so far is:</p> <pre><code>package user; public class User{ public enum UserType{ ADMIN, EDITOR, USER; } private String id; private UserType userPermissions; private String actualName; public User(String username, UserType userType, String name){ id = username; userPermissions = userType; actualName= name; } public String getUsername(){ return id; } public UserType getUserType(){ return userPermissions; } public String getName(){ return actualName; } public void setUserType(UserType input){ userPermissions = input; } } </code></pre> <p>And my UserGroup class:</p> <pre><code>package user; import java.util.*; import user.User.UserType; public class UserGroup{ private ArrayList&lt;User&gt; people; public UserGroup(){ people = new Arraylist&lt;User&gt;(); } public static void addSampleData(String username, UserType userType, String name){ people.add(new User(username, userType,name)); } public User get(int){ return User; } public void printUsernames(){ for (User user: groupArray){ System.out.printf("%s %s\n", user.getUsername(), user.getuserType); } } } </code></pre> <p>This is obviously far from being complete but I am completely stuck. My first problem is that I am unsure how to write the get method for this. Please help me with this!! I think my User class is fine but my UserGroup class is nowhere near completing all the objectives and I don't know how to do them!!</p>
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    1. USuser2973447
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    1. CORead the javadoc for [`List`](http://docs.oracle.com/javase/7/docs/api/java/util/List.html). There is a `get()` method. You should put a `toString` method into `User` rather than format it in the `UserGroup`. Also, consider implementing `equals` and `hashcode` as you might want to use method like `indexOf` etc...
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      1. POMaking the arraylist get method work and other problems
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    2. COYour get method in UserGroup class must be enhanced: give a name to the input parameter (`get(int pos)`), then return with the User record found in the right position of the ArrayList: `return people.get(pos)`;
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