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1. Create a class Account that contains two instance variables (String name, double balance). Initially, the balance is 0. The class also contains two methods: withdraw that takes a double parameter amount and reduces the balance value by that amount, if there is sufficient balance. Otherwise, the withdraw method throws a user-defined exception called InsufficientBalance. The other method is deposit that takes a double parameter amount and increases the balance value by that amount. For both of these methods if the argument amount passed is negative both will throw another user defined exception called InvalidAmountArgument. InsufficientBalance class's constructor takes two parameters: the current-balance and withdraw-amount whereas InvalidAmountArgument class's constructor takes only a single argument that is the negative-amount passed to those methods. The InsufficientBalance class sets the exception message (using super call in the constructor) as follows: Insufficient Balance. Current balance 100 is lower than the withdrawal amount 500. Here, the constructor parameters, current-balance value is 100 and withdraw-amount value is 500. And the InvalidAmountArgument class sets the exception message as follows: Invalid Amount Value -100. Amount can't be negative. Here, the constructor parameters, negative-amount value is -100. Now, write the classes Account and InsufficientBalance

1. Create a class Account that contains two instance variables (String name, double balance). Initially, the balance is 0. The class also contains two methods: withdraw that takes a double parameter amount and reduces the balance value by that amount, if there is sufficient balance. Otherwise, the withdraw method throws a user-defined exception called InsufficientBalance. The other method is deposit that takes a double parameter amount and increases the balance value by that amount. For both of these methods if the argument amount passed is negative both will throw another user defined exception called InvalidAmountArgument. InsufficientBalance class's constructor takes two parameters: the current-balance and withdraw-amount whereas InvalidAmountArgument class's constructor takes only a single argument that is the negative-amount passed to those methods. The InsufficientBalance class sets the exception message (using super call in the constructor) as follows: Insufficient Balance. Current balance 100 is lower than the withdrawal amount 500. Here, the constructor parameters, current-balance value is 100 and withdraw-amount value is 500. And the InvalidAmountArgument class sets the exception message as follows: Invalid Amount Value -100. Amount can't be negative. Here, the constructor parameters, negative-amount value is -100. Now, write the classes Account and InsufficientBalance

Database System Concepts
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
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1. Create a class Account that contains two instance variables (String name, double balance). Initially, the balance is 0. The class also contains two methods: withdraw that takes a double parameter amount and reduces the balance value by that amount, if there is sufficient balance. Otherwise, the withdraw method throws a user-defined exception called InsufficientBalance. The other method is deposit that takes a double parameter amount and increases the balance value by that amount. For both of these methods if the argument amount passed is negative both will throw another user defined exception called InvalidAmountArgument. InsufficientBalance class's constructor takes two parameters: the current-balance and withdraw-amount whereas InvalidAmountArgument class's constructor takes only a single argument that is the negative-amount passed to those methods. The InsufficientBalance class sets the exception message (using super call in the constructor) as follows: Insufficient Balance. Current balance 100 is lower than the withdrawal amount 500. Here, the constructor parameters, current-balance value is 100 and withdraw-amount value is 500. And the InvalidAmountArgument class sets the exception message as follows: Invalid Amount Value -100. Amount can't be negative. Here, the constructor parameters, negative-amount value is -100. Now, write the classes Account and InsufficientBalance
Transcribed Image Text:1. Create a class Account that contains two instance variables (String name, double balance). Initially, the balance is 0. The class also contains two methods: withdraw that takes a double parameter amount and reduces the balance value by that amount, if there is sufficient balance. Otherwise, the withdraw method throws a user-defined exception called InsufficientBalance. The other method is deposit that takes a double parameter amount and increases the balance value by that amount. For both of these methods if the argument amount passed is negative both will throw another user defined exception called InvalidAmountArgument. InsufficientBalance class's constructor takes two parameters: the current-balance and withdraw-amount whereas InvalidAmountArgument class's constructor takes only a single argument that is the negative-amount passed to those methods. The InsufficientBalance class sets the exception message (using super call in the constructor) as follows: Insufficient Balance. Current balance 100 is lower than the withdrawal amount 500. Here, the constructor parameters, current-balance value is 100 and withdraw-amount value is 500. And the InvalidAmountArgument class sets the exception message as follows: Invalid Amount Value -100. Amount can't be negative. Here, the constructor parameters, negative-amount value is -100. Now, write the classes Account and InsufficientBalance
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