Re: Class.getMethod in class's static initializer block

 Daniel Pitts <>
Wed, 01 Aug 2007 11:27:31 -0700
chucky wrote:

If I call A.class.getMethod() from static initializer block of class
A, I get NoSuchMethodException.


class A {
    static Method m;

    private static void method(String str) {

    static {
        try {
            m = A.class.getMethod("method", new Class[] {String.class});
        } catch(NoSuchMethodException e) {
            throw new ExceptionInInitializerError(e);

This code always throws the ExceptionInInitializerError caused by
Why does this happen?

Actually, I would like to write something like this:

class A {
    private static void method(String str) {
    static Method m = A.method;

Of course, this code is invalid, but my idea is that the presence of
method is known at compile time, so I don't want the overhead of
reflection and I'd rather get a compilation error if there is no such
method. Something similar is possible with function pointers in C, but
is there sth. like that in Java?

Thanks for any help!

Using reflection should be a last resort, and reserved for frameworks.
Have you considered creating a functor class? Something like the

interface StringCall {
    void call(String s);

class A {
  private static void method(String b) {

  static StringCall call = new StringCall() { public call(String s)
{ method(s); } };

Perhaps if you explained your goal, rather than the approach you are
trying, we could offer you better advice.

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