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Convert object to byte array and convert byte array to object

//package rda.util; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; /**  *  * @author mledoze  */ public class BytesUtil {     // toByteArray and toObject are taken from: http://tinyurl.com/69h8l7x     public static byte[] toByteArray(Object obj) throws IOException {         byte[] bytes = null;         ByteArrayOutputStream bos = null;         ObjectOutputStream oos = null;         try {             bos = new ByteArrayOutputStream();             oos = new ObjectOutputStream(bos);             oos.writeObject(obj);             oos.flush();             bytes = bos.toByteArray();         } finally {             if (oos != null) {                 oos.close();             }             if (bos != null) {                 bos.close();             }         }         return bytes;     }     public static Object toObject(byte[] bytes) throws IOException, ClassNotFoundException {         Object obj = null;         ByteArrayInputStream bis = null;         ObjectInputStream ois = null;         try {             bis = new ByteArrayInputStream(bytes);             ois = new ObjectInputStream(bis);             obj = ois.readObject();         } finally {             if (bis != null) {                 bis.close();             }             if (ois != null) {                 ois.close();             }         }         return obj;     }     public static String toString(byte[] bytes) {         return new String(bytes);     } }