#3 use "JOption" please

o accelerate. The accelerate method should add 5 to the speed field each time it is called brake. The brake method should subtract 5 from the speed field each time it is called. e Demonstrate the class in a program that creates a Car object, and then calls the accelerate method five times. After each call to the accelerate method, get the current speed of the car and display it. Then call the brake method five times. After each call to the brake method, get the current speed of the car and display it. 3. Personal Information Class Design a class that holds the following personal data: name, address, age, and phone num- ber. Write appropriate accessor and mutator methods. Demonstrate the class by writing a program that creates three instances of it. One instance should hold your information, and the other two should hold your friends' or family members' information 4. RetailItem Class Write a class named RetailItem that holds data about an item in a retail store. The class hould have the following fields: e description. The description field references a string object that holds a brief