FilterOutputStream.flush()方法範例
FilterOutputStream.flush()
具有以下語法。
public void flush() throws IOException
在下面的程式碼中展示了如何使用FilterOutputStream.flush()
方法。
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FilterOutputStream;
import java.io.OutputStream;
public class Main {
public static void main(String[] args) throws Exception {
OutputStream os = new FileOutputStream("C://test.txt");
FilterOutputStream fos = new FilterOutputStream(os);
fos.write(65);
// forces byte contents to written out to the stream
fos.flush();
// create output streams
FileInputStream fis = new FileInputStream("C://test.txt");
// read byte
int i = fis.read();
// convert integer to characters
char c = (char) i;
System.out.print("Character read: " + c);
fos.close();
fis.close();
}
}