School, 23.09.2017, Phone book class exercise

Contact.java
=============

public class Contact {
    private String firstName;
    private String lastName;
    private String phone;

    public Contact(String firstName, String lastName, String phone) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.phone = phone;
    }

    public Contact(Contact c) {
        this.firstName = c.firstName;
        this.lastName = c.lastName;
        this.phone = c.phone;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getPhone() {
        return phone;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    @Override
    public String toString() {
        return "Contact [firstName=" + firstName + ", lastName=" + lastName + ", phone=" + phone + "]";
    }





}

PhoneBook.java
==============

public class PhoneBook {
    private Contact[] myContacts;
    private int current;

    public PhoneBook(int size) {
        myContacts = new Contact[size];
        current = 0;
    }

    public boolean addContact(Contact c) {
        if (current < myContacts.length) {
            myContacts[current] = new Contact(c);
            current += 1;
            return true;
        }

        return false;
    }

    public boolean addContact(String fName, String lName, String Phone) {
        if (current < myContacts.length) {
            myContacts[current] = new Contact(fName, lName, Phone);
            current += 1;
            return true;
        }

        return false;
    }

    public void removeContact(String fName, String lName) {
        for (int i = 0; i < current; i += 1) {
            if (myContacts[i].getFirstName().compareTo(fName) == 0
                    && myContacts[i].getLastName().compareTo(lName) == 0) {

                for (int j = i + 1; j < current; j += 1) {
                    myContacts[j - 1] = myContacts[j];
                }

                // myContacts[current]=null;
                current -= 1;
            }
        }
    }

    public void removeContact(String phone) {
        for (int i = 0; i < current; i += 1) {
            if (myContacts[i].getPhone().compareTo(phone) == 0) {

                for (int j = i + 1; j < current; j += 1) {
                    myContacts[j - 1] = myContacts[j];
                }

                // myContacts[current]=null;
                current -= 1;
            }
        }
    }

    public void removeAll() {
        current = 0;
    }

    public Contact findFirstByName(String name) {
        return findNextByName(name, 0);
    }

    public Contact findNextByName(String name, int from) {
        for (int i = from; i < current; i += 1) {
            if (myContacts[i].getFirstName().compareTo(name) == 0 || myContacts[i].getLastName().compareTo(name) == 0) {
                return myContacts[i];
            }
        }

        return null;
    }

    public Contact findByNumber(String phone) {
        for (int i = 0; i < current; i += 1) {
            if (myContacts[i].getPhone().compareTo(phone) == 0) {
                return myContacts[i];
            }
        }

        return null;
    }

    @Override
    public String toString() {
        String res = "Empty Phone Book";

        for (int i = 0; i < current; i += 1) {
            res += myContacts[i] + "\n";
        }

        return res;
    }
}

Tester.java
===========

public class Tester {

    public static void main(String[] args) {
        PhoneBook myBook = new PhoneBook(5);

        myBook.addContact("Anan", "Samnia", "123123123");
        myBook.addContact("Siraj", "Sawaed", "123456789");
        myBook.addContact("Lolo", "jojo", "951623847");

        System.out.println("My phone Book\n" + myBook);

        if (!myBook.addContact("Anas", "Sawaed", "111111111"))
            System.out.println("Error adding");
        else
            System.out.println("My phone Book\n" + myBook);

        if (myBook.findFirstByName("yamir") == null)
            System.out.println("Yamir not found");
        else
            System.out.println(myBook.findFirstByName("yamir"));

        if (myBook.findFirstByName("Lolo") == null)
            System.out.println("Lolo not found");
        else
            System.out.println(myBook.findFirstByName("Lolo"));

        myBook.removeContact("951623847");
        System.out.println("My phone Book\n" + myBook);

        myBook.removeAll();
        System.out.println("My phone Book\n" + myBook);

    }

}