Declarations, Initialization, and Scoping - SCJP Sun Certified Programmer for Java Platform SE6 - page 123

Now look at the following statements and determine if they compile and what their result is:

45. Customer y = new Customer(101, “Dr. Watson”);
46. System.out.println(y.getName());
47. Customer z = new Customer(202, “Mr. Rattigan”);
48. z.processOrder(“Widget #4”);
49. System.out.println(z.getName());

The code compiles fi ne. Two Customer objects are instantiated in memory, as shown in
Figure 2.10. The output of the code is

Dr. Watson
Mr. Rattigan is ordering a Widget #4
Mr. Rattigan

FIGURE 2.10 Each Customer object has its own instance fields and methods in
memory.

Customer
reference

Customer object

y name

“Dr. Watson”

id

101

setName
getName
setld
getld
processOrder

Customer
reference

Customer object

z name

“Mr. Rattigan”

id

202

setName
getName
setld
getld
processOrder