Here you can find the source of serialize(Object object)
public static byte[] serialize(Object object)
//package com.java2s; /*/*w w w . j a v a 2 s .c om*/ * Copyright (C) 2016 Dmitry Kotlyarov. * All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import com.fasterxml.jackson.databind.ObjectMapper; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectOutputStream; public class Main { public static byte[] serialize(Object object) { try (ByteArrayOutputStream buffer = new ByteArrayOutputStream(4096)) { try (ObjectOutputStream output = new ObjectOutputStream(buffer)) { output.writeObject(object); } return buffer.toByteArray(); } catch (IOException e) { throw new RuntimeException(e); } } public static String serialize(ObjectMapper mapper, Object object) { try { return mapper.writeValueAsString(object); } catch (IOException e) { throw new RuntimeException(e); } } }