copy.java

来自「我在学习JAVA的讲义」· Java 代码 · 共 22 行

import java.io.*;

public class Copy {
    public static void main(String[] args) throws IOException {
			File inputFile = new File("farrago.txt");
			File outputFile = new File("outagainc.txt");

        FileReader in = new FileReader(inputFile);
        FileWriter out = new FileWriter(outputFile);
        int c;
		long n=0;
        while ((c = in.read()) != -1){

           out.write(c);
           n++;
        }
        in.close();
        out.close();
        System.out.println("n="+n);
    }
}