code: package zemberek.apps;
  
  import com.google.common.base.Splitter;
  import com.google.common.collect.Lists;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.ServiceLoader;
  import zemberek.core.io.Strings;
  
  public class ApplicationRunner {
  
    public static void main(String[] args) {
      ServiceLoader<ConsoleApp> loader = ServiceLoader.load(ConsoleApp.class);
      List<ConsoleApp> apps = Lists.newArrayList(loader);
      if (apps.size() == 0) {
        System.out.println("No applications found.");
        System.exit(0);
      }
      if (args.length == 0) {
        listApplications(apps);
        System.exit(0);
      }
      String className = args[0];
      for (ConsoleApp app : apps) {
        if (app.getClass().getSimpleName().contains(className)) {
          app.execute(Arrays.copyOfRange(args, 1, args.length));
          System.exit(0);
        }
      }
      System.out.println("Cannot find application for :" + className);
      listApplications(apps);
    }
  
    private static void listApplications(List<ConsoleApp> apps) {
      System.out.println("List of available applications:");
      System.out.println("===============================");
      for (ConsoleApp app : apps) {
        String simpleName = app.getClass().getSimpleName();
        System.out.println(simpleName);
        System.out.println(Strings.repeat("-", simpleName.length()));
        String wrapped = wrap(app.description(), 80);
        System.out.println(wrapped);
        System.out.println();
      }
      System.exit(0);
    }
  
    static String wrap(String s, int lineLength) {
      if (s == null) {
        return "";
      }
      List<String> paragrahs = Splitter.on("\n").splitToList(s);
      List<String> result = new ArrayList<>();
      for (String paragrah : paragrahs) {
        result.add(wrapParagraph(paragrah, lineLength));
      }
      return String.join("\n", result);
    }
  
    private static String wrapParagraph(String s, int lineLength) {
      List<String> lines = new ArrayList<>();
      StringBuilder sb = new StringBuilder();
      for (String token : Splitter.on(" ").splitToList(s)) {
        sb.append(token).append(" ");
        if (sb.length() >= lineLength) {
          lines.add(sb.toString().trim());
          sb = new StringBuilder();
        }
      }
      if (sb.length() > 0) {
        lines.add(sb.toString().trim());
      }
      return String.join("\n", lines);
    }
  }