Review questions

Chance Sabo
Review Questions Chp. 2

R2.1- A class is an object you can manipulate through code, while a class describes how to make a particular object.
R2.2- A public interface states the method. The implementation allows us to implement it as many times as we need.
R2.3- double price = 23.45
For a lovely pair of mittens that will keep your hands warm forever because you can’t take off the mittens and eventually they will burn your hands off in eternal hellfire.
R2.4- mystery = 0
R2.5- There’s a semicolon after each statement when there isn’t one needed.
R2.6- In mathematics, the = sign means the total; sum. In java, it means equal to. Example
2+4=6 - mathematics
Price = 26 – Java
R2.7- int total = 30
          int total = total * 20
R2.8- string up = penguinPajamas
          string upper = up toUpperCase
          string upper = PENGUINPAJAMAS
R2.9- string hi = Hello
          string hi toLowerCase
R2.10- An object is the thing being manipulated. The object variable are the specifications of the object.
R2.11- newRectangle(5, 10, 15, 20);
	R = newRectangle(5, 10, 15, 20);
	getWidth r;
	getHeight r;
R2.12- newRectangle(100, 100, 50, 50)
	R= newRectangle(100, 100, 50, 50)

	  public static void main(String[] args)
	System.out.println(“Hello, Dave”)
R2.13 newRectangle(100, 100, 50, 50)
	R= newRectangle(100, 100, 50, 50)
R2.14-