package JBJADV003;

import java.io.File;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.FileReader;
import java.io.FileWriter;

/**
* 这个类复制文本文件
*/
class FileCopy {

/**
* 构造方法.
*/
protected FileCopy() {
}

/**
* 复制文件的方法.
* @param file1 存储源文件名.
* @param file2 存储目标文件名.
*/
public void copy(final String file1, final String file2) {

//创建 File 对象.
File inFile = new File(file1);
File outFile = new File(file2);

try {
System.out.println("复制文件开始。。。");
//为文本文件创建 reader 类和 writer 类.
BufferedReader reader = new BufferedReader(new FileReader(inFile));
BufferedWriter writer = new BufferedWriter(new FileWriter(outFile));

//只要有输入行就进行循环.
String line = null;
while ((line = reader.readLine()) != null) {
writer.write(line);
writer.newLine();
}

//关闭 reader 和 writer.
reader.close();
writer.close();

} catch (IOException e) {
System.err.println(e);
System.exit(1);
}
System.out.println("复制文件结束。");
}
}

/**
* 这是一个 main 类.
*/
class CopyTextFile {
public static void main(String[] args) throws IOException {
FileCopy obj = new FileCopy();
obj.copy("c:\\myDoc\\s1.txt", "c:\\myDoc\\s2.txt");
}
}