13 lines
421 B
Java
13 lines
421 B
Java
// generics/CountedObject.java
|
|
// (c)2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
|
|
public class CountedObject {
|
|
private static long counter = 0;
|
|
private final long id = counter++;
|
|
public long id() { return id; }
|
|
@Override
|
|
public String toString() { return "CountedObject " + id;}
|
|
}
|