Process: exitValue()
/* * Output: * notepad returned 0 * * */ public class MainClass { public static void main(String args[]) { Runtime r = Runtime.getRuntime(); Process p = null; String cmd[] = { "notepad", "/java/src/java/lang/Runtime.java" }; try { p = r.exec(cmd); p.waitFor(); } catch (Exception e) { System.out.println("error executing " + cmd[0]); } System.out.println(cmd[0] + " returned " + p.exitValue()); } }