Test for JDK >= 1.1

TestJDK11.java

/** Test for JDK >= 1.1 */
public class TestJDK11 {
 public static void main(String[] a) {
 // 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;
 }
}