OnJava8-Examples/enums/NonEnum.java
2020-10-07 13:35:40 -06:00

20 lines
527 B
Java

// enums/NonEnum.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com 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
*/