文件拷贝

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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

public static void main(String[] args) throws IOException {

// File file = new File(“E:\a.txt”);
// FileInputStream fis = new FileInputStream(“E:\a.txt”);
// InputStreamReader isr = new InputStreamReader(fis);

// BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(“E:\abc.docx”)));

    BufferedReader br = new BufferedReader(new FileReader("E:\\a.txt"));      BufferedWriter bw = new BufferedWriter(new FileWriter("F:\\a.txt"));    String str = br.readLine();    while(str!=null){        System.out.println(str);        bw.write(str+"\r\n");        str = br.readLine();    }    bw.close();    br.close();}

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