Method writeObj2File

src/main/java/Util.java:18–25

(Object obj,String path)

    }

    public static void writeObj2File(Object obj,String path) throws IOException {
        System.out.println("set obj to "+ path);
        FileOutputStream fileOut = new FileOutputStream(path);
        ObjectOutputStream out = new ObjectOutputStream(fileOut);
        out.writeObject(obj);
        out.close();
        fileOut.close();
    }

    public static Object readObj4File(String path) throws IOException, ClassNotFoundException {
        System.out.println("get obj for "+ path);