Is the following legal in Java? The class ToyClass is defined in Display 5.11. System.out.println(new ToyClass("Mr. Cellophane", 0)); Suppose you want to use the class CoolClass in the package...

Is the following legal in Java? The class ToyClass is defined in Display 5.11.

System.out.println(new ToyClass("Mr. Cellophane", 0));

Suppose you want to use the class CoolClass in the package mypackages.

library1 in a program you write. What do you need to do to make this class

available to your program? What do you need to do to make all the classes in

the package available to your program?