package org.gnu.readline; import java.io.*; import java.util.*; public class Readline { [...] public static final void load(ReadlineLibrary lib) throws UnsatisfiedLinkError { [...] System.loadLibrary(lib.getName()); // might throw UnsatisfiedLinkError } [...] public static String readline(String prompt, boolean addToHist) throws EOFException, IOException, UnsupportedEncodingException { [...] String line = readlineImpl(prompt); if ((line != null) && (addToHist)) { addToHistory(line); } return line; } public static void addToHistory(String line) { [...] addToHistoryImpl(line); } [...] private native static String readlineImpl(String prompt) throws EOFException, UnsupportedEncodingException; private native static void addToHistoryImpl(String line); [...] }