How to Restart a Java AWT Application?

Restarting a Java AWT Application

Restarting a Java AWT application involves invoking an external process to re-launch the application. While there is no direct equivalent to Application.Restart() in Java, the following method can be utilized to achieve the same effect:

public void restartApplication() {
  String javaBin = System.getProperty("java.home") + File.separator + "bin" + File.separator + "java";
  File currentJar = new File(MyClassInTheJar.class.getProtectionDomain().getCodeSource().getLocation().toURI());

  if (!currentJar.getName().endsWith(".jar")) {
    return;
  }

  ArrayList<String> command = new ArrayList<>();
  command.add(javaBin);
  command.add("-jar");
  command.add(currentJar.getPath());

  ProcessBuilder builder = new ProcessBuilder(command);
  builder.start();
  System.exit(0);
}

This method performs the following steps:

1. Locates the Java executable.
2. Identifies the application JAR file.
3. Constructs the command to restart the JAR.
4. Executes the command, effectively terminating the current application and relaunching it.

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