DBUtil

package net.tqm.util;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;public class DBUtil {public static void writeToFile(Object o, File file) {try {ObjectOutputStream w = new ObjectOutputStream(new FileOutputStream(file));w.writeObject(o);w.flush();w.close();} catch (Exception e) {}}public static Object readFromFile(File file) {try {ObjectInputStream in = new ObjectInputStream(new FileInputStream(file));Object o = in.readObject();in.close();return o;} catch (Exception e) {}return null;}}