Java软贱攻城狮

import java.io.BufferedReader; import java.io.InputStreamReader; public class Demo { public static void main(String[] args) throws Exception { // System.in是InputStream类对象 // BufferReader的构造方法里面需...

import java.util.Scanner; public class Demo { public static void main(String[] args) throws Exception { Scanner scan = new Scanner(System.in); System.out.println("请输入内容："); if (scan.hasNext())...

import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; @SuppressWarni...

· 优化上一次代码的版本，增加了显示文件属性内容的方法: import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.FileReader; import java.io.IOException; import java.io.InputStream; i