AClass anInstance = new AClass();
AClass anotherInstance = new AClass();
//Refer to instance members through an instance.
anInstance.instanceInteger = 1;
anotherInstance.instanceInteger = 2;
System.out.println(anInstance.instanceMethod());
System.out.println(anotherInstance.instanceMethod());
//Illegal to refer directly to instance members from a class method
//System.out.println(instanceMethod()); //illegal
//System.out.println(instanceInteger); //illegal
//Refer to class members through the class...
AClass.classInteger = 7;
System.out.println(classMethod());
//...or through an instance.
System.out.println(anInstance.classMethod());
//Instances share class variables
anInstance.classInteger = 9;
System.out.println(anInstance.classMethod());
System.out.println(anotherInstance.classMethod());
