24/01/06

JAVA  TP n° 4 : Banque

/***********************************************************************

* Module: Compte.java

* Author: Propriétaire

* Purpose: Defines the Class Compte

***********************************************************************/

import java.util.*;

public class Compte{

private int numero;

private char typeCompte;

private double solde;

private int codeSecret;

public Compte(){

this.numero = 999999;

this.typeCompte = ' ';

this.solde = 0.00;

this.codeSecret = 0;

}

/** @param unNumero

* @param unType

* @param unSolde */

public Compte(int unNumero, char unType, double unSolde){

this.numero = unNumero;

if ((unType == 'E') || (unType == 'D')){

this.typeCompte = unType;

}

else{

this.typeCompte = ' ';

}

this.solde = unSolde;

this.attribueCode();

}

/** @param unType */

public void setType(char unType){

if (unType == 'E' || unType == 'D'){

this.typeCompte = unType;

}

else{

this.typeCompte = ' ';

}

}

/** @param unNumero */

public void setNumero(int unNumero){

this.numero = unNumero;

}

public int getNumero(){

return this.numero;

}

public int getCodeSecret(){

return this.codeSecret;

}

public void attribueCode(){

this.codeSecret = (int)(Math.random()*9900+100);

}

public String toString(){

String retour = "Compte numero "+this.numero+ " de type ";

if (this.typeCompte == 'E') retour = retour + "Epargne";

else if (this.typeCompte == 'D') retour = retour + "Depot";

else retour = retour + "indetermine";

retour = retour + "\nLe solde est de " + this.solde + " euros";

retour = retour + "\nLe code secret est " + this.codeSecret+ "\n";

return retour;

}

}

public class TestCompte {

public static void main(String args[]){

Compte c1 = new Compte();

System.out.println(c1.toString());

Compte c2 = new Compte(123456 , 'E' , 3215.24);

System.out.println(c2.toString());

Compte c3 = new Compte(129856 , 'T' , 215.24);

System.out.println(c3.toString());

c1.setType('E');

System.out.println(c1.toString());

c1.setNumero(598000);

System.out.println(c1.toString());

System.out.println(c2.getNumero());

System.out.println(c2.getCodeSecret());

Compte c4 = new Compte();

c4.attribueCode();

System.out.println(c4.toString());

}

}

Exercice 2 : Un tableau en java

import java.util.*;

public class TableauMontants {

public static void main(String args[]){

double[] tab;

tab = new double[] {10 , 687.35 , -54.00 , 0 , 54.85};

for (int i = 0 ; i < tab.length ; i++){

System.out.println(tab[i]);

}

Arrays.sort(tab);

System.out.println(Arrays.toString(tab));

}

}

Exercice 3 : Un tableau d’opérations

/***********************************************************************

* Module: Operation.java

* Author: Propriétaire

* Purpose: Defines the Class Operation

***********************************************************************/

import java.util.*;

public class Operation

{

private String date;

private double montant;

public Operation(String uneDate, double unMontant)

{

this.date = uneDate;

this.montant = unMontant;

}

public Operation()

{

this.montant = 0;

this.date = new Date().toString();

}

public String toString()

{

return this.date + " : " + this.montant;

}

}

import java.util.*;

public class UtiliseOperation {

public static void main(String args[]){

Operation[] lesOperations = new Operation[50];

int rep = 9;

double leMontant = 0;

String laDate;

do{

System.out.println("\n\n\n0. Quitter");

System.out.println("1. Voir les operations");

System.out.println("2. Ajouter une operation");

System.out.print("\n\tVotre choix:");

rep = Lire.lireInt();

if (rep == 1){

int i = 0;

while (i < lesOperations.length && lesOperations[i] != null){

System.out.println(lesOperations[i].toString());

i++;

}

}

if (rep == 2){

int i = 0;

while (i < lesOperations.length && lesOperations[i] != null){

i++;

}

System.out.println("Saisie d une operation:");

System.out.println("\tSaisissez la date:");

laDate = Lire.lireStr();

System.out.println("\tSaisissez le montant:");

leMontant = Lire.lireDouble();

Operation o = new Operation(laDate , leMontant);

lesOperations[i] = o;

}

}

while (rep != 0);

}

}