**Cash Processing System Overview**A cash processing company has developed a class called `Account` to manage transaction processing. Here are the details:### `Account` Class| Method/Constructor | Description ||--------------------------------------|-----------------------------------------------------------|| `public Account(Client c)` | Constructs an account using client information. || `public boolean process(Transaction t)` | Processes the next transaction, returning `true` if the transaction was approved, `false` otherwise. |### `Transaction` Class Interaction`Account` objects interact with `Transaction` objects, which have several methods, including:| Method/Constructor | Description ||------------------------|--------------------------------------------------------------|| `public int value()` | Returns the value of this transaction in pennies (could be negative, positive, or zero). |### `FilteredAccount` Class DesignThe company intends to modify the `Account` class to filter out zero-valued transactions by introducing a new class called `FilteredAccount`. Instances of this class can replace `Account` objects, incorporating the ability to bypass processing for transactions valued at zero. Specifically, the new class should indicate that a zero-valued transaction was approved without invoking the `process` method of the `Account` class.The new class should have a single constructor that accepts a parameter of type `Client`, incorporating the following method:| Method/Constructor | Description ||---------------------------------------|----------------------------------------------------------------------------------------|| `public double percentFiltered()` | Returns the percentage of transactions filtered out (ranging from 0.0 to 100.0); returns 0.0 if no transactions are submitted. |**Note:** All transactions enter the system through a call to the `process` method described above.

Two classes that already exist are public class Account public Account(Client c) public boolean…

Answered: pročessing company has a class called…

pročessing company has a class called Account used to process transactions: Method/Constructor Description constructs an account using client information public Account (Client c)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

**Cash Processing System Overview**

A cash processing company has developed a class called `Account` to manage transaction processing. Here are the details:

### `Account` Class

| Method/Constructor | Description |
|--------------------------------------|-----------------------------------------------------------|
| `public Account(Client c)` | Constructs an account using client information. |
| `public boolean process(Transaction t)` | Processes the next transaction, returning `true` if the transaction was approved, `false` otherwise. |

### `Transaction` Class Interaction

`Account` objects interact with `Transaction` objects, which have several methods, including:

| Method/Constructor | Description |
|------------------------|--------------------------------------------------------------|
| `public int value()` | Returns the value of this transaction in pennies (could be negative, positive, or zero). |

### `FilteredAccount` Class Design

The company intends to modify the `Account` class to filter out zero-valued transactions by introducing a new class called `FilteredAccount`. Instances of this class can replace `Account` objects, incorporating the ability to bypass processing for transactions valued at zero. Specifically, the new class should indicate that a zero-valued transaction was approved without invoking the `process` method of the `Account` class.

The new class should have a single constructor that accepts a parameter of type `Client`, incorporating the following method:

| Method/Constructor | Description |
|---------------------------------------|----------------------------------------------------------------------------------------|
| `public double percentFiltered()` | Returns the percentage of transactions filtered out (ranging from 0.0 to 100.0); returns 0.0 if no transactions are submitted. |

**Note:** All transactions enter the system through a call to the `process` method described above.

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