String[] () { return new String[] { "package java.lang;" + "public class Runtime {" + " private static Runtime currentRuntime = new Runtime();" + " public static Runtime getRuntime() {" + " return currentRuntime;" + " }" + " public Process exec(String command) throws java.io.IOException {" + " return exec(command, null, null);" + " }" + " public Process exec(String command, String[] envp, File dir) throws IOException {" + " return null;" + " }" + "}" }; }