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.