Java tutorial
import java.lang.reflect.Constructor; import java.lang.reflect.Member; public class Main { public static void main(String[] args) throws ClassNotFoundException { Class c = Class.forName("java.lang.String"); Constructor[] constructors = c.getDeclaredConstructors(); for (int i = 0; i < constructors.length; i++) { print_method_or_constructor(constructors[i]); } } public static void print_method_or_constructor(Member member) { Constructor c = (Constructor) member; Class[] parameters = c.getParameterTypes(); Class[] exceptions = c.getExceptionTypes(); System.out.println(c.getDeclaringClass()); for (int i = 0; i < parameters.length; i++) { System.out.println(parameters[i]); } for (int i = 0; i < exceptions.length; i++) { System.out.println(exceptions[i]); } } }