Write a class named “Bicycle” that has the following instance variables: gear, speed and brakes. This class will as well have the following methods: changeGearUp, changeGearDown, speedup, speedDown, applyBrakes, and printStates. The printStates method can print all of the current attributes of the bike object and brakes can be a Boolean type. Create an object named bike and test some of your methods/code that you have written with some output delivered to the user

Portfolio Instructions: You are working for a financial advisor who creates portfolios of financial securities for his clients. A portfolio is a conglomeration of various financial assets, such as stocks and bonds, that together create a balanced collection of investments. When the financial advisor makes a purchase of securities on behalf of a client, a single transaction can include multiple shares of stock or multiple bonds. It is your job to create an object-oriented application that will allow the financial advisor to maintain the portfolios for his/her clients. You will need to create several classes to maintain this information: Security, Stock, Bond, Portfolio, and Date. The characteristics of stocks and bonds in a portfolio are shown below: Stocks:                                                                        Bonds: Purchase date (Date)                                                   Purchase date (Date) Purchase price (double)…

A method that returns the value of an object's instance variable is calleda(n)a) mutator b) function c) constructor d) accessor