- v spal... Heading Title Subtitle Paragraph Styles Write Java code required: a Create a variable to store the number of students in a class. b. In ONE line of code, create a variable to store a student's letter grade and initialize the grade to c. Create a constant to store the maximum age for a teenager (19) Create a code segment that will: 1. Create a constant to store the sales tax rate for Onondaga County 0.0825) 2. Create a variable to store the amount of sales tax to charge a customer 3. Create a variable to store the number of items purchased in a retail store