参考：http://tristan1.iteye.com/blo...
public void testDeserialize() throws IOException, ClassNotFoundException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
BigInteger bi = new BigInteger("0");
oos.writeObject(bi); byte[] str = baos.toByteArray();
ObjectInputStream ois = new ObjectInputStream(new BufferedInputStream(new ByteArrayInputStream(str)));
Object obj = ois.readObject();
assertNotNull(obj);
assertEquals(obj.getClass().getName(),"java.math.BigInteger");
assertEquals(((BigInteger)obj).intValue(), 0);
}关键处理
byte[] str = baos.toByteArray();
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