package?java2017;
import?java.io.File;
import?java.io.FileNotFoundException;
import?java.io.FileReader;
import?java.io.FileWriter;
import?java.io.IOException;
public?class?writer?{
public?static?void?main(String[]?args)?{
//?TODO?Auto-generated?method?stub
int?ch;
try{
File?file=new?File("./bin//Hello.txt");
FileWriter?fw=new?FileWriter(file);
fw.write("Hello?world!?How?are?you!");
fw.close();
FileReader?fr=new?FileReader(file);
while((ch=fr.read())!=-1)
System.out.print((char)ch);
????fr.close();
????
}catch(FileNotFoundException?e){
System.out.println("文件不存在");
}catch(IOException?e){
System.out.println("發生IOE操作異常");
}
}
添加回答
舉報
0/150
提交
取消