// Check for JDK >= 1.1
try {
Class.forName("java.lang.reflect.Constructor");
} catch (ClassNotFoundException e) {
String failure =
"Sorry, but this version of MyApp needs \n" +
"a Java Runtime based on Java JDK 1.1 or later";
System.err.println(failure);
throw new IllegalArgumentException(failure);
}
System.out.println("Happy to report that this is JDK1.1");
// rest of program would go here...
return;
