public static String outputThrowable(Throwable t) throws FileNotFoundException{        for (StackTraceElement ste:t.getStackTrace()) {            System.out.println(ste.getMethodName());        }        t.printStackTrace(System.err);        t.printStackTrace(System.out);        t.printStackTrace(new PrintStream("exception.txt"));//redirect to file                StringWriter sw=new StringWriter();        PrintWriter pw=new PrintWriter(sw);                try {            t.printStackTrace(pw);//redirect to file        } catch (Exception e) {            e.printStackTrace();        }finally{            pw.close();        }                return sw.toString();            }

mainjava.lang.ArithmeticException: / by zero    at exception.TestException.main(TestException.java:11)java.lang.ArithmeticException: / by zero    at exception.TestException.main(TestException.java:11)java.lang.ArithmeticException: / by zero    at exception.TestException.main(TestException.java:11)java.lang.ArithmeticException: / by zero    at exception.TestException.main(TestException.java:11)