Write a method in Java called vertical that accepts a String as its parameter and prints each letter of the string on separate lines. For example, a call of vertical("hey now") should produce the following output:

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

In Java please

In some cases, a class depends on itself. That is, an object of one class interactswith another object of the same class. To accomplish this, a method of the classmay accept as a parameter an object of the same class.The concat method of the String class is an example of this situation. Themethod is executed through one String object and is passed another String object as a parameter. Here is an example:str3 = str1.concat(str2);The String object executing the method (str1) appends its characters to thoseof the String passed as a parameter (str2). A new String object is returned asa result and stored as str3. Write java code to implement given conditions