Program plan: CoinDataBase.java Import required packages. Create a class named “CoinDataBase”. Create function “main()”. Check whether the length of command line argument is zero or not using “if” condition. If the condition is true, then print the message that there is no command line argument. End the program. Make a call to the “init” function of “BasicDataSource” class to initialize the connection. Use “try” block to create “Connection” and “Statement” objects. Create a table named “Coin” using SQL statements. Insert corresponding values into the table. Use “try” block to create “ResultSet” object. Compute and display the sum of values stored in the field “Value”. Close “result”. Close “stat”. Close “conn”. BasicDataSource.java: Import required packages. Create a class named “BasicDataSource”. Create a function named “init()”. Create objects for “Properties” and “FileInputStream”. Load the file. Assign values for “driver”, “url”, “username”, and “password”. Check whether the “username” and “password” are “null” or not. Load the driver by checking whether the “driver” is not “null”. Create a function named “getConnection()”. Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

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Answer 1

Question

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

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Answer 2

Question

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

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Answer 3

Question

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

Expert Solution & Answer

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Answer 4

Question

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

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Answer 5

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

Answer 6

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

Answer 7

Chapter 23, Problem 1PE

Program Plan Intro

Program plan:

CoinDataBase.java

Import required packages.

Create a class named “CoinDataBase”.

Create function “main()”.

Check whether the length of command line argument is zero or not using “if” condition.

If the condition is true, then print the message that there is no command line argument.

End the program.

Make a call to the “init” function of “BasicDataSource” class to initialize the connection.

Use “try” block to create “Connection” and “Statement” objects.

Create a table named “Coin” using SQL statements.

Insert corresponding values into the table.

Use “try” block to create “ResultSet” object.

Compute and display the sum of values stored in the field “Value”.

Close “result”.

Close “stat”.

Close “conn”.

BasicDataSource.java:

Import required packages.

Create a class named “BasicDataSource”.

Create a function named “init()”.

Create objects for “Properties” and “FileInputStream”.

Load the file.

Assign values for “driver”, “url”, “username”, and “password”.

Check whether the “username” and “password” are “null” or not.

Load the driver by checking whether the “driver” is not “null”.

Create a function named “getConnection()”.

Make a call to the “getConnection()” function of “DriverManager” class by passing the arguments “url”, “username”, and “password” to establish the connection and return to the called function.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 23.1 - Prob. 1SC Ch. 23.1 - Prob. 2SC Ch. 23.2 - Prob. 3SC Ch. 23.2 - Prob. 4SC Ch. 23.3 - Prob. 5SC Ch. 23.3 - Prob. 6SC Ch. 23.4 - Prob. 7SC Ch. 23.4 - Prob. 8SC Ch. 23.5 - Prob. 9SC Ch. 23.5 - Prob. 10SC

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Chapter 23 Solutions