gistfile1.txt

package com.younglogic.dictionary;

import java.util.Dictionary;
import java.lang.reflect.Constructor;
import java.lang.reflect.Executable;
import java.lang.reflect.Parameter;


public class User {

        public final int uid;
        public final int gid;
        public final String loginShell;
        public final String jobTitle;
        public final String name;
        public User(int uid, int gid, String loginShell, String jobTitle,
                        String name) {
                super();
                this.uid = uid;
                this.gid = gid;
                this.loginShell = loginShell;
                this.jobTitle = jobTitle;
                this.name = name;
        }

        public String toString(){
                return String.format("uid %d, gid %d, loginShell %s, jobTitle %s, name %s",
                                this.uid, this.gid, this.loginShell, this.jobTitle, this.name);
        }

    public static User factory(Dictionary<String, String> props){
            return new User(Integer.parseInt(props.get("uid")),
                            Integer.parseInt(props.get("gid")),
                            props.get("loginShell"),
                            props.get("jobTitle"),
                            props.get("name"));

        }

        public static void main(String[] args){
                User user = new User(1,2,"/bin/bash", "codemonkey", "Adam");

                Class c = User.class;
                Constructor constructor = c.getConstructors()[0];
                for (Parameter param: constructor.getParameters()){
                    System.out.println (param.getName());
                }
                return;
        }
}



produces:

$ ./compile.sh 
+ JAVAC=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.0.x86_64/bin/javac
+ JAVA=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.0.x86_64/bin/java
+ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.0.x86_64/bin/javac src/com/younglogic/dictionary/User.java
+ /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.0.x86_64/bin/java -cp src com.younglogic.dictionary.User
arg0
arg1
arg2
arg3
arg4