Class KontoB

java.lang.Object
  KontoB

All Implemented Interfaces:

Konto

public class KontoB
extends java.lang.Object
implements Konto

Konto version B. Uses synchronized methods to display, add and remove money from the account, account cannot become negative.

Author:

Heinz Kredel.

Field Summary

private double

stand

Constructor Summary

KontoB()

KontoB(double a)

Method Summary

double	getGeld(double b) New account balance gets calculated and returned.
double	putGeld(double b) Transfers amount to this account.
double	zeigeGeld() Displays account balance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

stand

private double stand

Constructor Detail

KontoB

public KontoB()

KontoB

public KontoB(double a)

Method Detail

zeigeGeld

public double zeigeGeld()

Displays account balance.

Specified by:

zeigeGeld in interface Konto

Returns:

stand.

putGeld

public double putGeld(double b)

Transfers amount to this account. Blocks if account would become negative.

Specified by:

putGeld in interface Konto

Parameters:

b - amount to put on account.

Returns:

s returns actual balance from account.

getGeld

public double getGeld(double b)

New account balance gets calculated and returned. Blocks if account would become negative.

Specified by:

getGeld in interface Konto

Parameters:

b - amount to remove from desired account.

Returns:

s current account balance.