chatton

import java.io.Serializable;

// must implement Serializable in order to be sent
public class Message implements Serializable{
    private final String text;

    public Message(String text) {
        this.text = text;
    }

santa4nt

public class HelloJNI {
    static {
        System.loadLibrary("hello");    // loads libhello.so
    }

    private native void sayHello(String name);

    public static void main(String[] args) {
        new HelloJNI().sayHello("Dave");
    }