edu.pdx.cs.joy.core.ReadFromConsole Maven / Gradle / Ivy
The newest version!
package edu.pdx.cs.joy.core;
import java.io.*;
/**
* This program reads text from the console until the user enters
* -1 at which point it prints what the user has entered.
* It demonstrates the BufferedReader,
* InputStreamReader, and StringWriter
* classes.
*/
public class ReadFromConsole {
public static void main(String[] args) {
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
StringWriter text = new StringWriter();
while (true) {
try {
// Read a line from the console
String line = br.readLine();
if(line.equals("-1")) {
// All done with input
break;
} else {
text.write(line + " ");
}
} catch (IOException ex) {
System.err.println("** " + ex);
System.exit(1);
}
}
// Print out what was entered
System.out.println(text);
}
}