JAVA序列化

import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.util.ArrayList; /** * @2017年9月1日@上午10:07:48 * @Endless * @ArraySerialize.java * @version集合序列化和反序列化 */ public class ArraySerialize { private static ArrayList<Object> DeSerialize() throws IOException, ClassNotFoundException { // 反序列化 ArrayList<Object> arr = new ArrayList<Object>(); ObjectInputStream oo = new ObjectInputStream(new FileInputStream("D:/1.txt")); for (int i = 0; i < 20; i++) { tv x1 = (tv) oo.readObject(); arr.add(x1); } oo.close(); return arr; } public static void main(String[] args) throws IOException, ClassNotFoundException { ArrayList<Object> arr = new ArrayList<Object>(); for (int i = 0; i < 20; i++) { arr.add(new tv(i)); } Serialize(arr); ArrayList<Object> arrs = DeSerialize(); arrs.forEach(x -> ((tv) x).show()); for (int i = 0; i < 20; i++) { arrs.get(5); } } @SuppressWarnings("rawtypes") private static void Serialize(ArrayList x) throws IOException { // 序列化 ObjectOutputStream oo = new ObjectOutputStream(new FileOutputStream("D:/1.txt")); for (int i = 0; i < x.size(); i++) { oo.writeObject(x.get(i)); } oo.close(); } } class tv implements Serializable { private static final long serialVersionUID = 1L; int x; tv(int x) { System.out.println(x + "序列化此对象"); this.x = x; } public void show() { System.out.println(x + "序列化及反成功!"); } }