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import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class FileIOApp {
public static void main(String args[]) throws IOException {
FileOutputStream outStream = new FileOutputStream("test.txt");
String s = "This is a test.";
for (int i = 0; i < s.length(); ++i)
outStream.write(s.charAt(i));
outStream.close();
FileInputStream inStream = new FileInputStream("test.txt");
int inBytes = inStream.available();
System.out.println("inStream has " + inBytes + " available bytes");
byte inBuf[] = new byte[inBytes];
int bytesRead = inStream.read(inBuf, 0, inBytes);
System.out.println(bytesRead + " bytes were read");
System.out.println("They are: " + new String(inBuf));
inStream.close();
File f = new File("test.txt");
f.delete();
}
}
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