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a construct a class named car containing these four data members a doubleprecision variable named enginesize a
a modify the class written for exercise 9a to include the grade of gas assume there are three grades of gas 87 octane
a remove all the cout statements from the constructor destructor and flip methods in the coin class given in exercise 5
a explain how dynamic allocation of memory worksb describe the process of creating a dynamically allocated object
asteroids have an inherent stability each time they get hit by a bullet their stability decreases when it reaches zero
place a wombat and a good number of leaves into the world and then invoke a wombats act method several times what does
invoke the setdirectionint direction method provide a parameter value and see what happens which number corresponds to
make various changes to cause different error messages find at least five different error messages write down each
open the editor for the animal class switch to documentation view find the list of methods for this class the method
add some worms to your world also add some crabs run the scenario what do you observe what do the worms do what happens
create another new method named randomturn this method has no parameters and returns nothing select the code that does
create yet another method named turnatedge it also has no parameters and returns nothing move the code that checks
move all the code that creates the objects into a separate method called populateworld in the crabworld class you need
call the public space methods sunandplanet etc and run the scenario how do these objects move where are their initial
find the description of the constructor we have used the one with three integers as parameters what is the legal range
look up javautillist in the java library documentation what are the names of the methods used to add an object to the
look up the class math in the java documentation how many parameters does the sqrt method have what types are they what
look up the documentation for the class greenfootimage what is the name of the method used to draw a rectangle what is
in class space create a new method named createstars this method should have one parameter of type int named number to
implement the body of the createstars method that you created earlier this method should include the following retrieve
create stars of random brightness you can do this by creating a random number between 0 and 255 the legal range for rgb
add a small amount of initial movement to the rocket in its constructor to do this create a new vector with some
define an array named peopletypes that can store a maximum of 50 integer values entered at the keyboard enter a series