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This next problem is going to deal with checking if someone inputs a string with a few requirements. Imagine you are prompted to input a password, but the password needs to include uppercase letters and a number. In order to do this, you must look at each char in the string and use Booleans to indicate crtain criteria are met. Since there are 3 criteria, you should have 3 Boolean variables. The rules for the password are: Must contain at least 8 chars • Must contain 1 uppercase letter Must contain 1 digit There are no restrictions involving lowercase letters or special chars When considering where to use Booleans, think of it as a flag", for each criteria. If you meet the length requirement, then the flag would change from FALSE to TRUE. Once all the flags are true, you will have a valid password. Tip: The ASCII table can be used to determine the numeric value of a particular char. You may want to create ranges of these numerical values for each criteria.

This next problem is going to deal with checking if someone inputs a string with a few requirements. Imagine you are prompted to input a password, but the password needs to include uppercase letters and a number. In order to do this, you must look at each char in the string and use Booleans to indicate crtain criteria are met. Since there are 3 criteria, you should have 3 Boolean variables. The rules for the password are: Must contain at least 8 chars • Must contain 1 uppercase letter Must contain 1 digit There are no restrictions involving lowercase letters or special chars When considering where to use Booleans, think of it as a flag", for each criteria. If you meet the length requirement, then the flag would change from FALSE to TRUE. Once all the flags are true, you will have a valid password. Tip: The ASCII table can be used to determine the numeric value of a particular char. You may want to create ranges of these numerical values for each criteria.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Lab12B: Password This next problem is going to deal with checking if someone inputs a string with a few requirements. Imagine you are prompted to input a password, but the password needs to include uppercase letters and a number. In order to do this, you must look at each char in the string and use Booleans to indicate certain criteria are met. Since there are 3 criteria, you should have 3 Boolean variables. The rules for the password are: • Must contain at least 8 chars • Must contain 1 uppercase letter • Must contain 1 digit • There are no restrictions involving lowercase letters or special chars When considering where to use Booleans, think of it as a "flag", for each criteria. If you meet the length requirement, then the flag would change from FALSE to TRUE. Once all the flags are true, you will have a valid password. Tip: The ASCII table can be used to determine the numeric value of a particular char. You may want to create ranges of these numerical values for each criteria. Sample output #1: Enter a password: passwordl Invalid password Program Ends Sample output #2: Enter a password: P4ssw3rd Valid password Program Ends Sample output #3: Enter a password: Pas1 Invalid password Program Ends Sample output #4: Enter a password: PASSword Invalid password Program Ends Sample output #5: Enter a password: Pas!w3rd Valid password Program Ends
Transcribed Image Text:Lab12B: Password This next problem is going to deal with checking if someone inputs a string with a few requirements. Imagine you are prompted to input a password, but the password needs to include uppercase letters and a number. In order to do this, you must look at each char in the string and use Booleans to indicate certain criteria are met. Since there are 3 criteria, you should have 3 Boolean variables. The rules for the password are: • Must contain at least 8 chars • Must contain 1 uppercase letter • Must contain 1 digit • There are no restrictions involving lowercase letters or special chars When considering where to use Booleans, think of it as a "flag", for each criteria. If you meet the length requirement, then the flag would change from FALSE to TRUE. Once all the flags are true, you will have a valid password. Tip: The ASCII table can be used to determine the numeric value of a particular char. You may want to create ranges of these numerical values for each criteria. Sample output #1: Enter a password: passwordl Invalid password Program Ends Sample output #2: Enter a password: P4ssw3rd Valid password Program Ends Sample output #3: Enter a password: Pas1 Invalid password Program Ends Sample output #4: Enter a password: PASSword Invalid password Program Ends Sample output #5: Enter a password: Pas!w3rd Valid password Program Ends
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