问题:有一个名字叫123.txt的文本文件,里面存放了1一句话“我喜欢编程:123”,将这个文件复制一份并最终将复制后的结果(fz.txt)存放在D盘的cms文件夹下
package com.sj.zy;
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException;
public class Zy02 { private static String nu11; public static void main(String[] args) throws IOException { BufferedReader br =new BufferedReader(new FileReader("d:/123.txt")); File file=new File("D:/cms"); if(!file.isDirectory()) { file.mkdir(); } BufferedWriter bw =new BufferedWriter (new FileWriter("D:/cms/fz.txt")); String line= nu11; while((line = br.readLine())!=nu11) { bw.write(line); } bw.close(); br.close();
}
}
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