Program to display valid and invalid password Program plan: Filename: “ValidatePassword.java” Define the “ValidatePassword” class Declare the required variables and set the values. Create an object for scanner class. Prompt the user to enter the password. Read the length of the string and store it in a variable. Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit. If the condition is satisfied, print the string as valid password, else print as invalid password.

Question

Write the SQL code that permits to implement the tables: Student and Transcript. NB: Add the constraints on the attributes – keys and other.

Answer 1

Question

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

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Answer 2

Question

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

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Answer 3

Question

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

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Answer 4

Question

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

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Answer 5

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

Answer 6

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

Answer 7

Chapter 7, Problem 4PE

Program Plan Intro

Program to display valid and invalid password

Program plan:

Filename: “ValidatePassword.java”

Define the “ValidatePassword” class

Declare the required variables and set the values.

Create an object for scanner class.

Prompt the user to enter the password.

Read the length of the string and store it in a variable.

Using, if…else condition check whether the string contains two uppercase, 3 lowercase and one digit.

If the condition is satisfied, print the string as valid password, else print as invalid password.

Answer 8

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Answer 19

Ch. 7 - Prob. 1RQ Ch. 7 - Prob. 9RQ Ch. 7 - Prob. 11RQ Ch. 7 - Prob. 1PE Ch. 7 - Prob. 2PE Ch. 7 - Prob. 3PE Ch. 7 - Prob. 4PE Ch. 7 - Prob. 5PE Ch. 7 - Prob. 6PE Ch. 7 - Prob. 7PE

Solution Summary: The author describes how the program creates the "ValidatePassword" class and displays a message indicating whether the password is valid or invalid.

Chapter 7 Solutions