Writing Classes Exercises

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  1. How do we instantiate an object?
  2. What is special about the return type for a constructor? Why?
  3. Given the following class Vehicle, write Java code to instantiate two or more Vehicle objects: 
    public class Vehicle{

    private String make;
    private String model;

    public Vehicle( String makeIn, String modelIn ){
        make = makeIn;
        model = modelIn;
    }
}
  4. Discuss with someone else what new does
  5. What is appropriate to go into the public interface of a class? (see Java, Java, Java Section 1.3.2 (and 0.7.9))