FlowLiver

摘要： package com.company; import java.io.*; import java.util.Properties; public class Main { public static void main(String[] args) throws IOException { my 阅读全文

摘要： //JDK7的改进方案 private static void method3() { try(FileReader fr = new FileReader("fr.txt"); FileWriter fw = new FileWriter("fw.txt");){ char[] chs = new 阅读全文