NewInstance no longer compiles

Question

Can this be right?
This no longer compiles in 1.5 (works in 1.4)
Class               the_class = Class.forName(class_name);
Constructor          the_constructor = the_class.getConstructor(null);
x = the_constructor.newInstance(null);To work in 1.5, I have to change to:
Class               the_class = Class.forName(class_name);
Constructor          the_constructor = the_class.getConstructor();
x = the_constructor.newInstance();

Answer 1

It compiles with 1.5 with warnings:
import java.lang.reflect.Constructor;
class u {
void doit () throws Exception {
String               class_name = "java.lang.String";
Class               the_class = Class.forName(class_name);
Constructor          the_constructor = the_class.getConstructor(null);
Object x = the_constructor.newInstance(null);
C:\source\java\misc\it>C:\langs\java\jdk1.5.0_01\bin\javac u.java
u.java:8: warning: non-varargs call of varargs method with inexact argument type for last parame
cast to java.lang.Class for a varargs call
cast to java.lang.Class[] for a non-varargs call and to suppress this warning
Constructor             the_constructor = the_class.getConstructor(null);
                                                                   ^
u.java:9: warning: non-varargs call of varargs method with inexact argument type for last parame
cast to java.lang.Object for a varargs call
cast to java.lang.Object[] for a non-varargs call and to suppress this warning
Object x = the_constructor.newInstance(null);
                                       ^
2 warnings
Constructor<T>      getConstructor(Class... parameterTypes)
Returns a Constructor object that reflects the specified public constructor
of the class represented by this Class object.
*/