Lecture 30, CS 302-7 and 8, March 30

1. Review:
1. Class members

i. Class variables

ii. Class constants

iii. Class methods

2. Merging tester and instantiable classes
1. .equals
1. Test class type using instanceof

<var> instanceof <class>

eg: if(obj instanceof Aisle) {//…

2. Explicitly cast to correct class

<Class> <var> = (<Class>) <oldVar>;

eg: Aisle a = <Aisle> obj;

3. Aisle.java
2. Command line arguments
1. In Eclipse – run configurations -> arguments
2. GroceryStore.java