TIL(today i learned)/java
EOF와 -1
코딩의 숲
2020. 9. 11. 12:31
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import java.io.FileReader;
import java.io.IOException;
public class buffer_stream_move {
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
FileReader fr=new FileReader("C:\\windows\\system.ini");
char []buf=new char[1024*2];
while (true) {
int n=fr.read(buf);
System.out.println(buf);
System.out.println(n);
if(n<buf.length)
break;
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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cs |
에서 n은 eof을 만났을떄 -1을반환한다