Java.io.ObjectOutputStream.writeInt() 方法 Java.io.ObjectOutputStream.writeFloat() 方法 Java.io.ObjectOutputStream.writeLong() 方法 Java.io.ObjectOutputStream.writeInt() 方法 package com.codingdict; import java.io.*; public class ObjectOutputStreamDemo { public static void main(String[] args) { int i = 18764; try { // create a new file with an ObjectOutputStream FileOutputStream out = new FileOutputStream("test.txt"); ObjectOutputStream oout = new ObjectOutputStream(out); // write something in the file oout.writeInt(i); oout.writeInt(497635); // close the stream oout.close(); // create an ObjectInputStream for the file we created before ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt")); // read and print what we wrote before System.out.println("" + ois.readInt()); System.out.println("" + ois.readInt()); } catch (Exception ex) { ex.printStackTrace(); } } } Java.io.ObjectOutputStream.writeFloat() 方法 Java.io.ObjectOutputStream.writeLong() 方法