一.编写代码完成复制粘贴的功能
import java.io.*;
public class Demo05 {
public static void main(String[] args) throws Exception {
FileWriter f1 = new FileWriter("111-1.text");
FileReader f2 = new FileReader("111.text");
while (true) {
int read = f2.read();
if(read==-1){
break;
}else {
f1.write(read);
}
}
f1.close();
f2.close();
System.out.println("打印完毕!");
System.out.println("=======================================");
FileOutputStream f3= new FileOutputStream("111-2.text");
FileInputStream f4 = new FileInputStream("111.text");
while (true) {
int read = f4.read();
if(read==-1){
break;
}else {
f3.write(read);
}
}
f3.close();
f4.close();
System.out.println("打印完毕!");
System.out.println("============================");
FileWriter f7 = new FileWriter("111-3.text");
FileReader f8 = new FileReader("111.text");
BufferedWriter F5 = new BufferedWriter(f7);
BufferedReader f6 = new BufferedReader(f8);
while (true) {
int read = f8.read();
if(read==-1){
break;
}else {
f7.write(read);
}
}
f7.close();
f8.close();
System.out.println("打印完毕!");
System.out.println("============================");
FileOutputStream f9= new FileOutputStream("111-4.text");
FileInputStream f10 = new FileInputStream("111.text");
BufferedOutputStream f11 = new BufferedOutputStream(f9);
BufferedInputStream f12 = new BufferedInputStream(f10);
while (true) {
int read = f12.read();
if(read==-1){
break;
}else {
f11.write(read);
}
}
f11.close();
f12.close();
System.out.println("打印完毕!");
}
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一.编写代码完成复制粘贴的功能
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