import java.io.FileNotFoundException; import java.io.FileReader; public class TestFileReader { public static void main(String[] args) { int c = 0; FileReader freader = null; try { freader = new FileReader("d:/io/test.txt");//查看API 它的构造函数 int ln = 0;
一个用于文件上传的接口 The Commons FileUpload package makes it easy to add robust, high-performance, file upload capability to your servlets and web applications.
package com.hexiang.io; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; public class MultiplicationTable { public static void main(String args[]){ long st = System.currentTimeMillis(); String fn = "
