// Create a process and verify failure exit code. public class Process_4 { public static void main(String[] args) { try { Runtime r = Runtime.getRuntime(); String[] a = { "false" }; Process p = r.exec(a); int c = p.waitFor(); // Solaris' false doesn't return 1. System.out.println(c != 0 ? "ok" : "bad"); } catch (Exception ex) { System.out.println(ex.toString()); } } }