JAVA Practice Question for Midterm Write a class with a constructor that accepts a String object as its argument. The class should have a method that returns the number of vowels in the string, and...

 JAVA Practice Question for Midterm

1. Write a class with a constructor that accepts a String object as its argument. The class should have a method that returns the number of vowels in the string, and another method that returns the number of consonants in the string. Demonstrate the class in a program by invoking the methods that return the number of vowels and consonants. Print the counts returned.


2. Imagine you are developing a software package for an online shopping site that requires users to enter their own passwords. Your software requires that users’ passwords meet the following criteria:

• The password should be at least six characters long.


• The password should contain at least one uppercase and at least one lowercase letter.


• The password should have at least one digit.

a program that asks the user to enter a password, then displays a message indicating whether it is valid or not.