Java Assignment3 upload by JeonghoSong

java-assignment-3/src/me/day05/practice/practice01/AuthMethod.java

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+package me.day05.practice.practice01;
+
+public enum AuthMethod {
+    FINGERPRINT, PATTERN, PIN, FACE;
+}

java-assignment-3/src/me/day05/practice/practice01/CompanyName.java

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+package me.day05.practice.practice01;
+
+public enum CompanyName {
+    SAMSUNG, LG, APPLE;
+}

java-assignment-3/src/me/day05/practice/practice01/Electronic.java

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+package me.day05.practice.practice01;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.Objects;
+
+public class Electronic {
+    private static int sequence;
+    private String productNo;
+    private String modelName;
+    private CompanyName companyName;
+    private LocalDate dateOfMade;
+    private AuthMethod[] authMethods;
+
+    public Electronic(String modelName, CompanyName companyName, AuthMethod[] authMethods) {
+        this.productNo = String.format("%s%04d", LocalDate.now().toString().replaceAll("-", ""), ++sequence);
+        this.modelName = modelName;
+        this.companyName = companyName;
+        this.dateOfMade = LocalDate.now();
+        this.authMethods = authMethods;
+    }
+
+    public static int getSequence() {
+        return sequence;
+    }
+
+    public static void setSequence(int sequence) {
+        Electronic.sequence = sequence;
+    }
+
+    public String getProductNo() {
+        return productNo;
+    }
+
+    public void setProductNo(String productNo) {
+        this.productNo = productNo;
+    }
+
+    public String getModelName() {
+        return modelName;
+    }
+
+    public void setModelName(String modelName) {
+        this.modelName = modelName;
+    }
+
+    public CompanyName getCompanyName() {
+        return companyName;
+    }
+
+    public void setCompanyName(CompanyName companyName) {
+        this.companyName = companyName;
+    }
+
+    public LocalDate getDateOfMade() {
+        return dateOfMade;
+    }
+
+    public void setDateOfMade(LocalDate dateOfMade) {
+        this.dateOfMade = dateOfMade;
+    }
+
+    public AuthMethod[] getAuthMethods() {
+        return authMethods;
+    }
+
+    public void setAuthMethods(AuthMethod[] authMethods) {
+        this.authMethods = authMethods;
+    }
+
+
+
+    public static void main(String[] args) {
+        Electronic e1 = new Electronic("test01", CompanyName.SAMSUNG, new AuthMethod[] {AuthMethod.PATTERN, AuthMethod.FINGERPRINT});
+        Electronic e2 = new Electronic("test01", CompanyName.SAMSUNG, new AuthMethod[] {AuthMethod.PATTERN, AuthMethod.FINGERPRINT});
+        System.out.println(e1.productNo);
+        System.out.println(e2.productNo);
+        System.out.println(sequence);
+        System.out.println("e1 hashCode : " + e1.hashCode());
+        System.out.println("e1 toString : " + e1.toString());
+        System.out.println("success");
+    }
+
+    @Override
+    public String toString() {
+        return "Electronic [productNo=" + productNo + ", modelName=" + modelName + ", companyName=" + companyName
+                + ", dateOfMade=" + dateOfMade + ", authMethods=" + Arrays.toString(authMethods) + "]";
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(productNo, modelName, companyName, dateOfMade, Arrays.hashCode(authMethods));
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof Electronic)) {
+            return false;
+        }
+        Electronic other = (Electronic) obj;
+        return Objects.equals(productNo, other.productNo) && Objects.equals(modelName, other.modelName)
+                && companyName == other.companyName && Objects.equals(dateOfMade, other.dateOfMade)
+                && Arrays.equals(authMethods, other.authMethods);
+    }
+
+}

java-assignment-3/src/me/day05/practice/practice01/User.java

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+package me.day05.practice.practice01;
+
+import java.sql.Timestamp;
+import java.time.LocalDate;
+import java.util.ArrayList;
+
+public class User {
+
+    private String userId;
+    private String userPassword;
+    private int userPhoneNumber;
+    private String userEmail;
+    private int userBirthDate;
+    private ArrayList<String> electronicDevices;
+    private LocalDate registerTime;
+
+    public User(String userId, String userPassword, int userPhoneNumber, String userEmail, int userBirthDate, ArrayList<String> electronicDevices) {
+        this.userId = userId;
+        this.userPassword = userPassword;
+        this.userPhoneNumber = userPhoneNumber;
+        this.userEmail = userEmail;
+        this.userBirthDate = userBirthDate;
+        this.electronicDevices = electronicDevices;
+        this.registerTime = LocalDate.now();
+    }
+
+    // toString
+    @Override
+    public String toString() {
+        return "User{" +
+                "userId='" + userId + '\'' +
+                ", userPassword='" + userPassword + '\'' +
+                ", userPhoneNumber=" + userPhoneNumber +
+                ", userEmail='" + userEmail + '\'' +
+                ", userBirthDate=" + userBirthDate +
+                ", electronicDevices=" + electronicDevices +
+                ", registerTime=" + registerTime +
+                '}';
+    }
+
+    // hashCode
+    @Override
+    public int hashCode() {
+        int result = 17;
+        result = 31 * result + userId.hashCode();
+        result = 31 * result + userPassword.hashCode();
+        result = 31 * result + Integer.hashCode(userPhoneNumber);
+        result = 31 * result + userEmail.hashCode();
+        result = 31 * result + Integer.hashCode(userBirthDate);
+        result = 31 * result + electronicDevices.hashCode();
+        result = 31 * result + registerTime.hashCode();
+        return result;
+    }
+
+    // equals
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        User user = (User) o;
+
+        if (userPhoneNumber != user.userPhoneNumber) return false;
+        if (userBirthDate != user.userBirthDate) return false;
+        if (!userId.equals(user.userId)) return false;
+        if (!userPassword.equals(user.userPassword)) return false;
+        if (!userEmail.equals(user.userEmail)) return false;
+        if (!electronicDevices.equals(user.electronicDevices)) return false;
+        return registerTime.equals(user.registerTime);
+    }
+
+    // getter & setter
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public String getUserPassword() {
+        return userPassword;
+    }
+
+    public void setUserPassword(String userPassword) {
+        this.userPassword = userPassword;
+    }
+
+    public int getUserPhoneNumber() {
+        return userPhoneNumber;
+    }
+
+    public void setUserPhoneNumber(int userPhoneNumber) {
+        this.userPhoneNumber = userPhoneNumber;
+    }
+
+    public String getUserEmail() {
+        return userEmail;
+    }
+
+    public void setUserEmail(String userEmail) {
+        this.userEmail = userEmail;
+    }
+
+    public int getUserBirthDate() {
+        return userBirthDate;
+    }
+
+    public void setUserBirthDate(int userBirthDate) {
+        this.userBirthDate = userBirthDate;
+    }
+
+    public ArrayList<String> getElectronicDevices() {
+        return electronicDevices;
+    }
+
+    public void setElectronicDevices(ArrayList<String> electronicDevices) {
+        this.electronicDevices = electronicDevices;
+    }
+
+    public LocalDate getRegisterTime() {
+        return registerTime;
+    }
+
+    public void setRegisterTime(LocalDate registerTime) {
+        this.registerTime = registerTime;
+    }
+}

java-assignment-3/src/me/day05/practice/practice02/Users.java

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+package me.day05.practice.practice02;
+
+import me.day05.practice.practice01.User;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class Users {
+    private static Users instance = null;
+    private User[] userList;
+
+    private Users() {
+        userList = new User[10];
+    }
+
+    public static Users getInstance() {
+        if (instance==null) {
+            instance = new Users();
+        }
+        return instance;
+    }
+
+    @Override
+    public int hashCode() {
+        return Arrays.hashCode(userList);
+    }
+
+    @Override
+    public String toString() {
+        return "Users{" +
+                "userList=" + Arrays.toString(userList) +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Users users = (Users) o;
+        return Arrays.equals(userList, users.userList);
+    }
+
+    public User[] getUserList() {
+        return userList;
+    }
+
+    public void setUserList(User[] userList) {
+        this.userList = userList;
+    }
+
+    public User findByUserId(String userId) {
+        for (User user : userList) {
+            if (user.getUserId().equals(userId)) return user;
+        }
+        return null;
+    }
+
+    public User copy(User user) {
+        String userId = user.getUserId();
+        String userPassword = user.getUserPassword();
+        int userPhoneNumber = user.getUserPhoneNumber();
+        String userEmail = user.getUserEmail();
+        int userBirthDate = user.getUserBirthDate();
+        ArrayList<String> electronicDevices = new ArrayList<>(user.getElectronicDevices());
+        User dummyUser = new User(userId, userPassword, userPhoneNumber, userEmail, userBirthDate, electronicDevices);
+        dummyUser.setRegisterTime(user.getRegisterTime());
+        return dummyUser;
+    }
+}