Answered: Using basic Java: Initial amount in…

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

Using basic Java:

Initial amount in atm1 is $850: 10 x $50 +10 x $20 + 10 x $10 + 10 x $5

Initial amount in atm2 is $800: 5 x $50 +10 x $20 + 20 x $10 + 30 x $5

How can I write an indefinite loop that constantly tries to withdraw a random amount of money from an atm machine (named atm1 or atm2)? Random amounts should be less than or equal to $1000 and a multiple of $5 and loop should end when the atm is out of money. In the program is a method called "haveMoney" so that returns true if there is still money left which can be used in this loop.

Thanks!

Expert Solution

Step 1

We will ask the user he want to use which atm
if he/she chooses atm1
1. then balance = atm1
2. else balance = atm2.
Then we will check if balance>withdraw amount then
1. we will withdraw the amount and will check if balance if left or not
  1. if yes then print you have some money left and repeat this step.
  2. else print no money left and exit.
Else will print insufficient amount and repeat third step.

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