Any way to further optimize Java reflective method invocation?

public static Object invoke(Object targetObject, String methodName, Object[] arguments, Class<?>[] signature)

return method.invoke(targetObject, arguments);

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[Loaded sun.reflect.ClassFileConstants from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.AccessorGenerator from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.MethodAccessorGenerator from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.ByteVectorFactory from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.ByteVector from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.ByteVectorImpl from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.ClassFileAssembler from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.UTF8 from C:jdk1.5.0_06jrelibrt.jar]
[Loaded java.lang.Void from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.Label from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.Label$PatchInfo from C:jdk1.5.0_06jrelibrt.jar]
[Loaded java.util.AbstractList$Itr from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.MethodAccessorGenerator$1 from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.ClassDefiner from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.ClassDefiner$1 from C:jdk1.5.0_06jrelibrt.jar]
[Loaded sun.reflect.GeneratedMethodAccessor1 from __JVM_DefineClass__]
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