password java ??????????
(Check password) Some websites impose certain rules for passwords. Write a method that checks whether a string is a valid password. Suppose the password rules are as follows:
A password must have at least eight characters .
A password consists of only letters and digits.
A password must contain at least two digits.
Write a program that prompts the user to enter a password and displays Valid Password if the rules are followed or Invalid Password otherwise.
SAMPLE RUN #1
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password: 22HelloWorld
Valid Password
SAMPLE RUN #2
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password: dd89
Invalid Password
SAMPLE RUN #3
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
Police999Knights!
Invalid Password
SAMPLE RUN #4
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
2HelloBermuda8
Valid Password
SAMPLE RUN #5
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
2 Lobster88Mash
Invalid Password
SAMPLE RUN #6
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
22HHjj
Invalid Password
SAMPLE RUN #7
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
Lothar8Magnificient
Invalid Password
SAMPLE RUN #8
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
8Happy!D@ys22
Invalid Password
SAMPLE RUN #9
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
Happy66Nights
Valid Password
SAMPLE RUN #10
— Prompts For Keyboard/Console/Standard Input —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
What The Console Looks Like In An Interactive Session:
(Note: this combines standard input with standard output )
>java CheckPassword
Enter a password:
Happy6Nights
Invalid Password
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