Java by API/java.io/IOException
java.io.IOException
<source lang="java">
import java.io.IOException; public class Main {
public static void main(String[] args) { try { while (true) { int datum = System.in.read(); if (datum == -1) break; System.out.println(datum); } } catch (IOException ex) { System.err.println("Couldn"t read from System.in!"); } }
}
</source>