import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; public class InputLoop { public static void main(String args[]) { // To read from stdin: Reader reader = new InputStreamReader(System.in); /* Or, to read from a file: Reader reader = new FileReader(filename); Or, to read from a network stream: Reader reader = new InputStreamReader(socket.getInputStream()); */ try { BufferedReader inp = new BufferedReader(reader); while(inp.ready()) { int input = inp.read(); // Use in.readLine() for line-by-line // Process the input here. For example, you can print it out. System.out.println(input); } } catch (IOException e) { // There was an input error. } } }