1. Write a statement that asks the user to enter the sales tax rate. Write statements to create a Scanner object, and then use it to read and store the rate as a real number. 2. Write an application...

1. Write a statement that asks the user to enter the sales tax rate. Write statements to create a Scanner object, and then use it to read and store the rate as a real number.

2. Write an application that displays the following pattern:

*

**

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****

*****

*****

****

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**

*

3. Write an application that prompts for the user’s name, address, birthday, and hobby. Display each on a separate line, properly labeled.