Curs9

src/Curs9/Account.java

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+package Curs9;
+
+public interface Account {
+
+	public void deposit(double amount) throws InvalidAmountException;
+	public void withdraw(double amount) throws InsuficientFundsException;
+	public void checkBalance();
+
+
+}

src/Curs9/Angajat.java

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+package Curs9;
+
+public interface Angajat {
+
+	void setName(String name);
+	public String getName();
+
+	public void setEmail(String email);
+	public String getEmail();
+
+	public void setDepartment(String departament);
+	public String getDepartament();
+
+
+	// public void testCeva();
+
+	default void printDepartament() {
+		System.out.println("QA");
+	}
+
+}

src/Curs9/Atm.java

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+package Curs9;
+
+import java.util.Scanner;
+
+/*
+Simulam lucrul cu un ATM
+avem 3 operatiuni:
+1. withdraw;
+2. deposit
+3. checkBalance
+
+Intrebam userul ce operatiune vrea sa faca
+Daca vrea withdraw (balance = balance - amount) si printam soldul
+-> daca withdraw este mai mare decat balanta arunc InsuficientFuds
+Daca vrea deposit (balance = balance+amount) si printam soldul
+-> daca amount <=0 throw InvalidAmountException
+Daca vrea checkBalance (printam soldul)
+
+Programul face parte dintr-u intreg sistem bancar, ceea ce implica multiple conturi (curent/de economii/credit/etc)
+Toate conturile au aceleasi 3 operatiuni, dar implementari specifice
+noi implementam ATM pe cont curent
+
+Dupa ce utilizatorul efectueaza o operatiune, il intrebam daca vrea sa continue
+
+*/
+
+public class Atm {
+
+	double amount;
+	static Scanner scan = new Scanner(System.in);
+
+	public static void main(String[] args) {
+		CurrentAccount acc = new CurrentAccount();
+		acc.balance=1000;
+
+		Atm atm = new Atm();
+
+		boolean flag = true;
+
+		while(flag) {
+			//Scanner scan = new Scanner(System.in);
+
+			try {
+				atm.atmOperations(acc);
+				System.out.println("Do you wat to continue? ");
+				flag = scan.nextBoolean();
+
+			} catch (InvalidAmountException | InsuficientFundsException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+
+		}
+
+	}
+
+	public void atmOperations(CurrentAccount obj) throws InvalidAmountException, InsuficientFundsException {
+		//Scanner scan = new Scanner(System.in);
+		System.out.println("Hi, available operations are:");
+		System.out.println("1. Deposit");
+		System.out.println("2. Withdraw");
+		System.out.println("3. Check balance");
+
+		int option = scan.nextInt();
+
+		switch(option) {
+		case 1:
+			System.out.println("Please enter the deposit amount: ");
+			double amount = scan.nextDouble();
+			obj.deposit(amount);
+			break;
+
+		case 2:
+			System.out.println("Please enter the withdraw amount: ");
+			double amount2 = scan.nextDouble();
+			obj.withdraw(amount2);
+			break;
+
+		case 3:
+			obj.checkBalance();
+			break;
+
+		default:
+			System.out.println("Invalid option!");
+
+		}
+
+		//scan.close();
+
+	}
+
+}

src/Curs9/CurrentAccount.java

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+package Curs9;
+
+public class CurrentAccount implements Account{
+
+	public double balance;
+
+	@Override
+	public void deposit(double amount) throws InvalidAmountException {
+
+		if(amount <=0) {
+			throw new InvalidAmountException(amount + " is not valid");
+		}
+		balance = balance + amount;
+		// System.out.println("Current balance is: "+balance);
+		checkBalance();
+
+	}
+
+	@Override
+	public void withdraw(double amount) throws InsuficientFundsException {
+		if (amount > balance) {
+			throw new InsuficientFundsException("You do not have enough funds!");
+		}
+		balance = balance - amount;
+		// System.out.println("Current balance is: "+ balance);
+		checkBalance();
+	}
+
+	@Override
+	public void checkBalance() {
+		System.out.println("Current balance is: "+ balance);
+
+	}
+
+
+}

src/Curs9/Developer.java

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+package Curs9;
+
+public class Developer implements Angajat{
+
+	String name;
+	String email;
+	String departament;
+
+	@Override
+	public void setName(String name) {
+		this.name=name;
+	}
+
+	@Override
+	public String getName() {
+		return name;
+	}
+
+	@Override
+	public void setEmail(String email) {
+		this.email = email;
+	}
+
+	@Override
+	public String getEmail() {
+		return email;
+	}
+
+	@Override
+	public void setDepartment(String departament) {
+		// TODO Auto-generated method stub
+		this.departament=departament;
+	}
+
+	@Override
+	public String getDepartament() {
+		// TODO Auto-generated method stub
+		return departament;
+	}
+
+}

src/Curs9/InsuficientFundsException.java

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+package Curs9;
+
+public class InsuficientFundsException extends Exception{
+
+
+	public InsuficientFundsException(String mesaj) {
+		super(mesaj);
+	}
+}

src/Curs9/InvalidAmountException.java

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+package Curs9;
+
+public class InvalidAmountException extends Exception{
+
+	public InvalidAmountException(String mesaj) {
+		super(mesaj);
+	}
+
+}

src/Curs9/Laptop.java

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+package Curs9;
+
+public class Laptop extends Product{
+
+	private int buyingPrice;
+	private int vat;	
+	private int adaos;
+
+	public Laptop(int buyingPrice, int vat, int adaos) {
+		setBuyingPrice(buyingPrice); /// este acelasi lucru cu this.buyigPrice=buyigPrice;
+		setVat(vat);
+		setAdaos(adaos);
+	}//oprim atribuirea directa
+
+	public int getBuyingPrice() {
+		return buyingPrice;
+	}
+
+	private void setBuyingPrice(int buyingPrice) {
+		this.buyingPrice = buyingPrice;
+	}
+
+	public int getVat() {
+		return vat;
+	}
+
+	private void setVat(int vat) {
+		this.vat = vat;
+	}
+
+	public int getAdaos() {
+		return adaos;
+	}
+
+	private void setAdaos(int adaos) {
+		this.adaos = adaos;
+	}
+
+
+
+	@Override
+	public int calculatePrice() {
+		return buyingPrice + vat+adaos;
+	}
+
+
+
+}

src/Curs9/MobilePhone.java

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+package Curs9;
+
+public class MobilePhone extends Product {
+
+	private int buyingPrice;
+	private int vat;
+
+	public MobilePhone(int buyingPrice, int vat) {
+		this.buyingPrice=buyingPrice;
+		this.vat=vat;
+	}
+
+	@Override
+	public int calculatePrice() {
+		return buyingPrice+vat;
+	}
+
+}

src/Curs9/Product.java

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+package Curs9;
+
+public abstract class Product {
+
+	public abstract int calculatePrice();
+
+	public void productRating() {
+		System.out.println("Best product ever!");
+	}
+}

src/Curs9/TestInterface.java

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+package Curs9;
+
+public class TestInterface {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+
+		Tester t1 = new Tester();
+		t1.setEmail("mada@mada.com");
+		t1.setName("Mada");
+
+		Developer dev1 = new Developer();
+		dev1.printDepartament();
+}
+
+}

src/Curs9/TestProduct.java

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+package Curs9;
+
+public class TestProduct {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+
+		Laptop laptop = new Laptop(123,19,5);
+		System.out.println(laptop.calculatePrice());
+		laptop.productRating();
+
+		System.out.println("------------------");
+
+		MobilePhone mobile = new MobilePhone(100, 19);
+		System.out.println(mobile.calculatePrice()); //nu are return type, trebuie printat cu sysout
+		mobile.productRating();//cum metoda nu este abstracta, o putem apela direct fara instanta
+	}
+
+}

src/Curs9/Tester.java

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+package Curs9;
+
+public class Tester implements Angajat {
+
+	String name;
+	String email;
+
+	@Override
+	public void setName(String name) {
+		this.name=name;
+	}
+
+	@Override
+	public String getName() {
+		return name;
+	}
+
+	@Override
+	public void setEmail(String email) {
+		this.email = email;
+	}
+
+	@Override
+	public String getEmail() {
+		return email;
+	}
+
+	@Override
+	public void setDepartment(String departament) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public String getDepartament() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+}