Method lister

import java.lang.reflect.*;

public abstract class classlister
{
    private static String arrayDecrypt(String in) {
//        String out = "";
//        System.out.println("arraydecrypt: " + in);
        if (!in.substring(0, 1).equals("[")) return in;
        switch(in.charAt(1)) {
        case 'B':
            return "Byte[]";
        case 'C':
            return "Char[]";
        case 'D':
            return "Double[]";
        case 'F':
            return "Float[]";
        case 'J':
            return "Int[]";
        case 'L':
            return arrayDecrypt(in.substring(2, in.length() - 1)) + "[]";
//          return "Byte[]";
        case 'S':
            return "Short[]";
        case 'Z':
            return "Boolean[]";
        }
        return null;
    }

    public static void ListMethods()//String className)
    {
        try {
            Class cls = java.lang.Class.class;//sum.kern.Stift.class;//Class.forName(className);
            for (Method m : cls.getMethods()) {
                String text = m.getName() + "(";
                String args = "";
                String exceptions = "";
                for(Class c : m.getParameterTypes()) {
                    if (!args.equals(""))
                        args += ", ";
                    args += arrayDecrypt(c.getName());
                }

                for (Class c : m.getExceptionTypes()) {
                    if (!exceptions.equals(""))
                        exceptions += ", ";
                    exceptions += c.getName();
                }
                System.out.println(Modifier.toString(m.getModifiers()) + " " + arrayDecrypt(m.getReturnType().getName()) + " " + text + args + ")");
                //System.out.println(m.toString());
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}