package com.packt.learnjava.ch05_stringsIoStreams;
import java.io.Console;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
public class ConsoleDemo {
public static void main(String... args) {
console1();
// Uncomment the rest as needed
// They are waiting for the user input
//console2();
//console3();
//console4();
}
private static void console1(){
System.out.println("\nconsole1:");
Console console = System.console();
System.out.println(console);
}
private static void console2(){
System.out.println("\nconsole2:");
Console console = System.console();
String line = console.readLine();
System.out.println("Entered 1: " + line);
line = console.readLine("Enter something 2: ");
System.out.println("Entered 2: " + line);
line = console.readLine("Enter some%s", "thing 3: ");
System.out.println("Entered 3: " + line);
char[] password = console.readPassword();
System.out.println("Entered 4: " + new String(password));
password = console.readPassword("Enter password 5: ");
System.out.println("Entered 5: " + new String(password));
password = console.readPassword("Enter pass%s", "word 6: ");
System.out.println("Entered 6: " + new String(password));
}
private static void console3(){
System.out.println("\nconsole3:");
Console console = System.console();
String line = console.format("Enter some%s", "thing:").readLine();
System.out.println("Here what I got: " + line);
}
private static void console4(){
System.out.println("\nconsole4:");
Console console = System.console();
try (Reader reader = console.reader()){
char[] chars = new char[10];
System.out.print("Enter something: ");
reader.read(chars);
System.out.print("Entered: " + new String(chars));
} catch (IOException e) {
e.printStackTrace();
}
PrintWriter out = console.writer();
out.println("Hello!");
console.flush();
}
}
