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ramadani/javan_case_study13.java

Created April 7, 2017 09:58
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  1. ramadani created this gist Apr 7, 2017.
    58 changes: 58 additions & 0 deletions javan_case_study13.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,58 @@
    public void case13() {
    ArrayList<User> users = new ArrayList<User>();
    users.add(new User(1, "Adimas Lutfi Wicaksono"));
    users.add(new User(2, "Salman Alfarisi"));
    users.add(new User(3, "Muhammad Sholeh"));

    ArrayList<User> usersDeleted = new ArrayList<User>();
    usersDeleted.add(new User(2, "Salman Alfarisi"));
    usersDeleted.add(new User(3, "Muhammad Sholeh"));

    ArrayList<Integer> usersDeletedId = new ArrayList<Integer>();
    for (User user: usersDeleted) {
    usersDeletedId.add(user.getId());
    }

    ArrayList<User> userRemain = new ArrayList<User>();

    for (User user: users) {
    if (!usersDeletedId.contains(user.getId())) {
    userRemain.add(user);
    }
    }

    System.out.println(userRemain.toString());
    }

    private class User {
    private Integer id;
    private String name;
    private Integer gender = 1;

    public User(Integer id, String name) {
    this.id = id;
    this.name = name;
    }

    public User(Integer id, String name, Integer gender) {
    this.id = id;
    this.name = name;
    this.gender = gender;
    }

    public Integer getId() {
    return id;
    }

    public String getName() {
    return name;
    }

    public String getGender() {
    return gender == 1 ? "Male" : "Female";
    }

    public String toString() {
    return "ID: " + getId() + " Name: " + getName() + " Gender: " + getGender() + "\n";
    }
    }