Question
import java.util.Scanner; public class PasswordClient { public static void main( String args [] ) { String input = ; Scanner read = new Scanner(System.in); System.out.println(Password.passwordCriteria);
import java.util.Scanner;
public class PasswordClient
{
public static void main( String args [] )
{
String input = "";
Scanner read = new Scanner(System.in);
System.out.println(Password.passwordCriteria);
while(true)
{
//reading user input
System.out.println("Enter password to test or quit to end ");
input = read.nextLine();
//break out of loop if user enters "quit"
if(input.equals("quit"))
{
break;
}
System.out.println(Password.validate(input));
}
}
}
/////////////////////////////////////////////////////
/////////////////////////////////////////////////////
public class Password
{
static final String passwordCriteria="Must contain a minimum of 8 characters. Must not contain spaces. Must contain at least one upper case letter. Must contain at least one lower case letter. Must contain at least one number or special character.";
public static String validate(String givenPassword)
{
//initially all variables are zero
int upperCase=0;
int lowerCase=0;
int nums=0;
int specialCount=0;
//initially the password is invalid
String output="Invalid Password";
//if any criteria is violated ,attach the its message with the ouput
if(givenPassword.length() < 8)
{
output=output+" Must contain a minimum of 8 characters.";
}
if(givenPassword.contains(" "))
{
output=output+" Must not contain spaces.";
}
//iterate through every character of givenPassword and increment the respective variables
//use those variables to check further criteria of password
for ( int k = 0; k < givenPassword.length(); k++ ) {
if (Character.isUpperCase(givenPassword.charAt(k)))
{
upperCase++;
}
else if (Character.isLowerCase(givenPassword.charAt(k)))
{
lowerCase++;
}
else if (Character.isDigit(givenPassword.charAt(k)))
{
nums++;
}
else
{
specialCount++;
}
}
if(upperCase < 1)
{
output=output+" Must contain at least one upper case letter.";
}
if(lowerCase < 1)
{
output=output+" Must contain at least one lower case letter.";
}
if(nums < 1 && specialCount < 1)
{
output = output + " Must contain at least one number or special character.";
}
if(output.equals("Invalid Password"))
{
//password is valid since it when through all the conditions but still remained in its intial state
output = " Valid Password";
}
return output;
}
}
can you add javadocs to this?
(will only accept text uploaded no pictures of handwritten code)
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