OnJava8-Examples/enums/NonEnum.java
2015-12-15 11:47:04 -08:00

20 lines
545 B
Java

// enums/NonEnum.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 NonEnum {
public static void main(String[] args) {
Class<Integer> intClass = Integer.class;
try {
for(Object en : intClass.getEnumConstants())
System.out.println(en);
} catch(Exception e) {
System.out.println("Expected: " + e);
}
}
}
/* Output:
Expected: java.lang.NullPointerException
*/