3.2.2 Java OOPs - PasswordGenerator

The password generator will create a random password of a length from 5 to 8 characters long.

The passwords generated will not contain characters that can easily be confused.

Examples:

• O,0: uppercase o and zero;
• 1,l,I: one, lowercase L and uppercase i

Use the Java Random( ) class example below to see the syntax of the Random ( ) class

This class will not display any data

PasswordGenerator()Class

HAS-A: attributes -- All instance variables are private

rn a Random number generator

RESPONDS-TO:

The constructor will start the random number generator

METHODS:

nextPassword( )

will return a password 5 to 8 characters long

nextLetter()

will return a random acceptable character for the password

Logic (Algorithm) for nextPassword()

In nextPassword()

1. set the password to the empty string
2. randomly set the length of the password from 5 to 8
3. for the length of the password
   1. concatenate the nextLetter() to the password
4. return the password

Logic (Algorithm) for the nextLetter()

In nextLetter()

1. set the value of a string to all of the acceptable passwordCharacters
2. extract a random nextLetter from the acceptable passwordCharacters
3. return the nextLetter

Java Random() class Example