[1차 VER1.0] Java ToyProject upload by JongminJung

src/me/smartstore/Main.java

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+package me.smartstore;
+
+public class Main {
+    public static void main(String[] args) {
+        SmartStoreApp.getInstance().run();
+    }
+}

src/me/smartstore/SmartStoreApp.java

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+package me.smartstore;
+
+import me.smartstore.group.Group;
+import me.smartstore.group.GroupType;
+import me.smartstore.group.Groups;
+import me.smartstore.group.Parameter;
+import me.smartstore.menu.MainMenu;
+
+public class SmartStoreApp {
+    private final Groups allGroups = Groups.getInstance();
+    private final MainMenu mainMenu = MainMenu.getInstance();
+
+
+    // singleton
+    private static SmartStoreApp smartStoreApp;
+
+    public static SmartStoreApp getInstance() {
+        if (smartStoreApp == null) {
+            smartStoreApp = new SmartStoreApp();
+        }
+        return smartStoreApp;
+    }
+
+    private SmartStoreApp() {}
+
+    public void details() {
+        System.out.println("\n\n===========================================");
+        System.out.println(" Title : SmartStore Customer Classification");
+        System.out.println(" Release Date : 23.05.10");
+        System.out.println(" Copyright 2023 Jongmin No rights reserved.");
+        System.out.println("===========================================\n");
+    }
+
+    public void run() {
+        details();
+        allGroups.add(new Group(new Parameter(0, 0), GroupType.NONE));
+        mainMenu.manage();
+    }
+}

src/me/smartstore/arrays/Collections.java

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+package me.smartstore.arrays;
+
+public interface Collections<T> {
+
+    int size();
+    T get(int index);
+    void set(int index, T object);
+    int indexOf(T object);
+    void add(T object);
+    void add(int index, T object);
+    T pop();
+    T pop(int index);
+    T pop(T object);
+}

src/me/smartstore/arrays/DArray.java

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+package me.smartstore.arrays;
+
+
+import me.smartstore.arrays.exception.ElementNotFoundException;
+import me.smartstore.arrays.exception.EmptyArrayException;
+import me.smartstore.arrays.exception.NullArgumentException;
+
+public class DArray<T> implements Collections<T> { // Dynamic Array
+
+    protected static final int DEFAULT = 10;
+
+    protected T[] arrays;
+    protected int size;
+    protected int capacity;
+
+    @SuppressWarnings("unchecked")
+    public DArray() {
+        arrays = (T[]) new Object[DEFAULT];
+        capacity = DEFAULT;
+    }
+
+    @SuppressWarnings("unchecked")
+    public DArray(int initial) {
+        arrays = (T[]) new Object[initial];
+        capacity = initial;
+    }
+
+    public DArray(T[] arrays) {
+        this.arrays = arrays;
+        capacity = arrays.length;
+        size = arrays.length;
+    }
+
+    @Override
+    public int size() {
+        return size;
+    }
+
+    protected int capacity() {
+        return capacity;
+    }
+
+    @Override
+    public T get(int index) throws IndexOutOfBoundsException {
+        if (index < 0 || index >= size) throw new IndexOutOfBoundsException();
+        return arrays[index];
+    }
+
+    @Override
+    public void set(int index, T object) throws IndexOutOfBoundsException, NullArgumentException {
+        if (index < 0 || index >= size) throw new IndexOutOfBoundsException();
+        if (object == null) throw new NullArgumentException();
+
+        arrays[index] = object;
+    }
+
+    @Override
+    public int indexOf(T object) throws NullArgumentException, ElementNotFoundException {
+        if (object == null) throw new NullArgumentException(); // not found (instead of throwing exception)
+
+        for (int i = 0; i < size; i++) {
+            if (arrays[i] == null) continue;
+            if (arrays[i].equals(object)) return i;
+        }
+        throw new ElementNotFoundException(); // not found
+    }
+
+    @Override
+    public void add(T object) throws NullArgumentException {
+        if (object == null) throw new NullArgumentException(); // if argument is null, do not add null value in array
+
+        if (size < capacity) {
+            arrays[size] = object;
+            size++;
+        } else {
+            grow();
+            add(object);
+        }
+    }
+
+    @Override
+    public void add(int index, T object) throws IndexOutOfBoundsException, NullArgumentException {
+        if (index < 0 || index >= size) throw new IndexOutOfBoundsException();
+        if (object == null) throw new NullArgumentException();
+
+        if (size < capacity) {
+            for (int i = size-1; i >= index ; i--) {
+                arrays[i+1] = arrays[i];
+            }
+            arrays[index] = object;
+            size++;
+        } else {
+            grow();
+            add(index, object);
+        }
+    }
+
+    @Override
+    public T pop() {
+        return pop(size-1);
+    }
+
+    @Override
+    public T pop(int index) throws IndexOutOfBoundsException {
+        if (size == 0) throw new EmptyArrayException();
+        if (index < 0 || index >= size) throw new IndexOutOfBoundsException();
+
+        T popElement = arrays[index];
+        arrays[index] = null; // 삭제됨을 명시적으로 표현
+
+        for (int i = index+1; i < size; i++) {
+            arrays[i-1] = arrays[i];
+        }
+        arrays[size-1] = null;
+        size--;
+        return popElement;
+    }
+
+    @Override
+    public T pop(T object) {
+        return pop(indexOf(object));
+    }
+
+    protected void grow() {
+        capacity *= 2; // doubling
+        arrays = java.util.Arrays.copyOf(arrays, capacity);
+    }
+
+    @Override
+    public String toString() {
+        String toStr = "";
+        for (int i = 0; i < size; i++) {
+            toStr += (arrays[i] + "\n");
+        }
+        return toStr;
+    }
+}

src/me/smartstore/arrays/exception/ElementNotFoundException.java

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+package me.smartstore.arrays.exception;
+
+public class ElementNotFoundException extends RuntimeException {
+    public ElementNotFoundException() {
+    }
+
+    public ElementNotFoundException(String message) {
+        super(message);
+    }
+
+    public ElementNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public ElementNotFoundException(Throwable cause) {
+        super(cause);
+    }
+
+    public ElementNotFoundException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

src/me/smartstore/arrays/exception/EmptyArrayException.java

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+package me.smartstore.arrays.exception;
+
+public class EmptyArrayException extends RuntimeException {
+    public EmptyArrayException() {
+    }
+
+    public EmptyArrayException(String message) {
+        super(message);
+    }
+
+    public EmptyArrayException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public EmptyArrayException(Throwable cause) {
+        super(cause);
+    }
+
+    public EmptyArrayException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

src/me/smartstore/arrays/exception/NullArgumentException.java

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+package me.smartstore.arrays.exception;
+
+public class NullArgumentException extends RuntimeException {
+    public NullArgumentException() {
+    }
+
+    public NullArgumentException(String message) {
+        super(message);
+    }
+
+    public NullArgumentException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public NullArgumentException(Throwable cause) {
+        super(cause);
+    }
+
+    public NullArgumentException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

src/me/smartstore/customer/Customer.java

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+package me.smartstore.customer;
+
+import me.smartstore.group.Group;
+
+import java.util.Objects;
+
+public class Customer implements Comparable<Customer> {
+    private String customerName;
+    private String customerId;
+    private Integer totalTime;
+    private Integer totalPay;
+    private Group group; // 현재 분류 기준에 의해 각 고객을 분류된 결과
+
+    public Group getGroup() {
+        return group;
+    }
+
+    public void setGroup(Group group) {
+        this.group = group;
+    }
+
+    public Customer() {
+    }
+
+    public Customer(String customerId) {
+        this.customerId = customerId;
+    }
+
+    public Customer(String customerName, String customerId) {
+        this.customerName = customerName;
+        this.customerId = customerId;
+    }
+
+    public Customer(String customerName, String customerId, Integer totalTime, Integer totalPay) {
+        this.customerName = customerName;
+        this.customerId = customerId;
+        this.totalTime = totalTime;
+        this.totalPay = totalPay;
+    }
+
+    public String getCustomerName() {
+        return customerName;
+    }
+
+    public void setCustomerName(String customerName) {
+        this.customerName = customerName;
+    }
+
+    public String getCustomerId() {
+        return customerId;
+    }
+
+    public void setCustomerId(String customerId) {
+        this.customerId = customerId;
+    }
+
+    public Integer getTotalTime() {
+        return totalTime;
+    }
+
+    public void setTotalTime(Integer totalTime) {
+        this.totalTime = totalTime;
+    }
+
+    public Integer getTotalPay() {
+        return totalPay;
+    }
+
+    public void setTotalPay(Integer totalPay) {
+        this.totalPay = totalPay;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Customer customer = (Customer) o;
+        return Objects.equals(customerId, customer.customerId);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(customerId);
+    }
+
+    @Override
+    public String toString() {
+            return "Customer{" +
+                    "userId='" + customerId + '\'' +
+                    ", name='" + customerName + '\'' +
+                    ", spentTime=" + totalTime +
+                    ", totalPay=" + totalPay +
+                    group.toStringForCustomer() + '}';
+    }
+    @Override
+    public int compareTo(Customer o) {
+        return 0;
+    }
+
+
+}