Process p = Runtime.getRuntime().exec(command, env);
System.out.println(r.execute(" C:\\Program Files\\Java\\jdk1.6.0_21\\bin\\javac demo.java" , null));
System.out.println(r.execute(" C:\\Program Files\\Java\\jdk1.6.0_21\\bin\\java demo", null));
i want to run demo.java from this code i used timer class also. i got the error "Illegal execution time" i dont know why when i run this program in eclipse it does not give me output but when i run this on command prompt then it gives me error can anyone help me Thanks in advanced!!!!!!!!