Example of Bank Account Application

#include <iostream>
#include <vector>
using namespace std;

class Account;         // decleration for class 
typedef  vector<Account> :: iterator ITR;

class Account {
    public :
        Account (int id, string str, double amount) :
            idNumber(id),name(str),balance(amount) { }

        // Accessores function (setter & getter) 
        void setName (const string str)      { name = str; }

        string getName     () const { return name;      }
        int    getIdNumber () const { return idNumber;     }
        double getBalance  () const { return balance;      }

        void addBalance (double amount ) { balance += amount; }
        void subBalance (double amount ) { if ( balance >= amount) balance -= amount; }

        friend ostream& operator << (ostream& ostr , const Account& rhs);

    private :
        string name;
        int idNumber;
        double balance;
};

ostream& operator << (ostream& ostr , const Account& rhs) {
    ostr << "Account Number : " << rhs.getIdNumber() << endl
         << "Account Name   : " << rhs.getName()     << endl
         << "Account Balance: " << rhs.getBalance()  << endl;

    return ostr;
}

class Bank {
    public :
        Bank(string str) : name(str) { }

        void openNewAccount (int idNumber , string name, double balance);
        void creditAccount  (int idNumber , double balance );
        void depositAccount (int idNumber , double balance );
        double getBalance   (int idNumber );

        double getTotalBalance ();
        string getName () const  { return name; }

        friend ostream& operator << (ostream& ostr, const Bank& bank);

    private :
            // prevent pass by value & assignment operator
            Bank (const Bank& lhs);
            Bank operator = (const Bank& lhs);

    private :
        vector<Account> accounts;
        ITR itr;

        string name;
};

void Bank :: openNewAccount (int idNumber , string name , double balance ) {
    Account tmp(idNumber,name,balance);
    accounts.push_back(tmp);
}

void Bank :: creditAccount (int idNumber ,double balance ) {
    for (  itr = accounts.begin(); itr != accounts.end(); ++itr) {
        if ( itr->getIdNumber() == idNumber ) {
            itr->addBalance(balance);
            break;
        }
    }
}

void Bank :: depositAccount (int idNumber ,double balance ) {
    for (  itr = accounts.begin(); itr != accounts.end(); ++itr) {
        if ( itr->getIdNumber() == idNumber ) {
            itr->subBalance(balance);
            break;
        }
    }
} 

double Bank :: getBalance (int idNumber  ) {
    for (  itr = accounts.begin(); itr != accounts.end(); ++itr) {
        if ( itr->getIdNumber() == idNumber ) {
            return itr->getBalance();
        }
    }
}

ostream& operator << (ostream& ostr , const Bank& bank ) {
    ostr << "Welcome To : " << bank.getName() << endl;
    ostr << "-----------------------------"   << endl << endl;

    for (vector<Account> :: const_iterator itr = bank.accounts.begin(); itr != bank.accounts.end(); ++itr) {
        ostr << *itr << endl << endl;
    }

    return ostr;
}

double Bank :: getTotalBalance ()  {
    double sum = 0;
    for (itr = accounts.begin(); itr != accounts.end(); ++itr) {
        sum += itr->getBalance();
    }

    return sum;
}

int main (int argc, char* argv[]) {
    Bank bank("ArabTeam2000");

    // open new account use case test
    bank.openNewAccount(1,"Wajdy essam",2000);
    bank.openNewAccount(32,"Ali Ahmed",425);
    bank.openNewAccount(42,"Omer Khalid",6000);

    // credit account use case test
    bank.creditAccount(1,100);

    // deposit account uses case test
    bank.depositAccount(42,1000);

    // display all accounts use case test
    cout << bank << endl;

    // get balance use case test
    cout << "Balance for customer ID (42) : " << bank.getBalance(42) << endl;

    // get All balance use case test
    cout << "Total Bank balance : " << bank.getTotalBalance() << endl;

    return (0);

public class Programmer {
    private String name;
    private double salary;
    private int idNumber; 
    private String language

    public Programmer (int id , String name , double salary,Sting lang) {
        this.name = name;
        this.idNumber = id;
        this.salary = salary;
        this.language = lang;
    }

    public int getId () {
        return idNumber;
    }

    public String getName () {
        return name;
    }

    public double getSalary () {
        return salary;
    }

    public String getLanguage () {
        return language;
    }

    public void setLanguage (String lang) {
        language = lang
    }

    public String toString() {
        return  idNumber + " : " + name + " , Language : " + language + " take " + salary + " $";
    }
}

public class Employee {
    private String name;
    private double salary;
    private int idNumber; 

    public Employee (int id , String name , double salary) {
        this.name = name;
        this.idNumber = id;
        this.salary = salary;
    }

    public int getId () {
        return idNumber;
    }

    public String getName () {
        return name;
    }

    public double getSalary () {
        return salary;
    }

    public String toString() {
        return  idNumber + " : " + name + " take " + salary + " $";
    }
}


public class Programmer extends Employee {
    private String language;

    public Programmer (int id , String name ,double salary , String language) {
        super(id,name,salary);
        this.language = language;
    }

    public String getLanguage () {
        return language;
    }

    public String toString () {
        return super.toString() + "  ,language : " + language;

    }
}

// Employee.java

public abstract class Employee {
    private String name;
    private double salary;
    private int idNumber; 

    public Employee (int id , String name , double salary) {
        this.name = name;
        this.idNumber = id;
        this.salary = salary;
    }

    public int getId () {
        return idNumber;
    }

    public String getName () {
        return name;
    }

    public double getSalary () {
        return salary;
    }

    public String toString() {
        return  idNumber + " : " + name + " take " + salary + " $";
    }
}


public class Programmer {
    private String name;
    private double salary;
    private int idNumber; 
    private String language

    public Employee (int id , String name , double salary,Sting lang) {
        this.name = name;
        this.idNumber = id;
        this.salary = salary;
        this.language = lang;
    }

    public int getId () {
        return idNumber;
    }

    public String getName () {
        return name;
    }

    public double getSalary () {
        return salary;
    }

    public String getLanguage () {
        return language;
    }

    public void setLanguage (String lang) {
        language = lang
    }

    public String toString() {
        return  idNumber + " : " + name + " , Language : " + language + " take " + salary + " $";
    }
}// Programmer.java
public class Programmer extends Employee {
    private String language;

    public Programmer (int id , String name ,double salary , String language) {
        super(id,name,salary);
        this.language = language;
    }

    public String getLanguage () {
        return language;
    }

    public String toString () {
        return super.toString() + "  ,language : " + language;

    }

    public double getSalary () {
        double value = super.getSalary();

        if ( language.equals("java") )
            value *= 0.2;

        return value;
    }
}// ProjectLeader.java
import java.util.Iterator;
import java.util.ArrayList;

public class ProjectLeader extends Programmer {
    private ArrayList<Employee> team;

    public ProjectLeader (int id ,String name , double salary,String language) {
        super(id,name,salary,language);
        team = new ArrayList<Employee>();
    }

    public void addMember (Employee p) {
        team.add(p);
    }

    public String toString () {
        String str = super.toString();
        str += "\nMember Information : \n";

        Iterator itr = team.iterator();

        while ( itr.hasNext() ) {
            Employee tmp = (Employee) itr.next();
            str += tmp.toString() + "\n";
        }

        return str;
    }

    public double getSalary () {
        double value = super.getSalary();
        int size = team.size();
        double tmp = value * size * 0.1;
        return value + tmp;
    }

}// SoftwareHouse.java

import java.util.ArrayList;
import java.util.Iterator;

public class SoftwareHouse {
    private ArrayList<Employee> staff;
    private String name;

    public SoftwareHouse (String name) {
        this.name = name;
        staff = new ArrayList<Employee>();
    }

    public void addMember (Employee p) {
        staff.add(p);
    }

    public String toString () {
        String str = "Staff : " + name + "\n";
        Iterator itr = staff.iterator();

        while ( itr.hasNext() ){
            Employee tmp = (Employee) itr.next();
            str += tmp.toString() + "\n";
        }

        return str;
    }

    public double getTotalSalary () {
        double sum = 0;
        Iterator itr = staff.iterator();
        while ( itr.hasNext() ) {
            Employee tmp = (Employee) itr.next();
            sum += tmp.getSalary();
        }

        return sum;
    }
}ملف الأختبار :
public class Main {
    public static void main (String args[]) {
        SoftwareHouse app = new SoftwareHouse("SudanCS");

        Programmer p1 = new Programmer(1,"Wajdy",4000,"java");
        Programmer p2 = new Programmer(2,"Geek",5000,"Assembly");
        Programmer p3 = new Programmer(3,"Ahmed",3200,"C++");
        Programmer p4 = new Programmer(4,"romansy",3000,"Php");

        ProjectLeader pld  = new ProjectLeader(10,"Mohammed",9000,"C++");
        ProjectLeader pld2 = new ProjectLeader(20,"Ossma",5000,"pascal");

        pld.addMember(p1);
        pld.addMember(p4);
        pld2.addMember(p3);

        app.addMember(p1);
        app.addMember(p2);
        app.addMember(p3);
        app.addMember(p4);
        app.addMember(pld);
        app.addMember(pld2);

        System.out.println(app);
        System.out.println("total salary : " + app.getTotalSalary());
    }
}