package 练习11号;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class CopyText {
public static void main(String[] args) throws IOException{
copy_1();
}
public static void copy_1() throws IOException{
FileWriter fw=new FileWriter("zhangxn.txt");
FileReader fr=new FileReader("demo.txt");
int ch;
while((ch=fr.read())!=-1){
fw.write(ch);
}
fw.close();
fr.close();
}
}
输出结果：
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