Asteam engine is an example of a(n)
a. external combustion engine.
b. internal combustion engine.
c. four-stroke engine.
d. eight-cylinder engine.

The animal classthis class represents a an animal residing at a zoo. it has a weight (in pounds),height (in inches), a name, and a color. the methods in the class include constructors, getters, and a tostring. you will finish the implementation of these methods. referto the code documentation.1.getters: you will need to implement getter methods. these get a value (froma member variable) in the animal class. you will make a getter method toreturn each variable (weight, height, name, color). reference getname if youare having issues.2.tostring: you will need to finish the tostring method. this returns a stringcontaining information about an animal. the output string should be of theformat: ” (name) , a ( color )â’colored animal . ( weight ) pounds , ( height ) inches .\n”the height and weight are formatted to 1 decimal place. recall from lab 1how to format strings neatly using string. see the reference sectionfor more about string. format.

Explain briefly why you cannot expect to find a previous version of every file with which you work.

Idon understand these and need some ! ?