How to make the tv program run

[cgikanga]

class TV{
private boolean power;
private int channel;
private int volume;

TV() {
this.power=false;
this.channel=2;
this.volume=0;
}

boolean getPower() {
return this.power;
}

int getChannel() {
return this.channel;
}

int getVolume() {
return this.volume;
}

void getDisplay() {
System.out.println("The power is "+this.power+"."
System.out.println("The channel is "+this.channel+"."
System.out.println("The volume is "+this.volume+"."
}

if (this.power=1){
this.power=true;
else
this.power= false;
System.out.println("Please enter 1 to turn on TV or 0 to turn off TV."
}
if (this.channel >= 2){
this.channel++;
else if (this.channel > 13)
this.channel=2;
else
System.out.println("Re-enter again!!!"
}

if ((this.volume >= 0)&&(this.volume<10)){
this.volume++;
else
System.out.println(&quot;Re-enter again!!!&quot;
}
}

 

[haslo]

import java.util.*;
import java.io.*;

public class TV {
  private boolean power = false;
  private int channel = 2;
  private int volume = 0;

  public boolean getPower() { return this.power; }
  public int getChannel() { return this.channel; }
  public int getVolume() { return this.volume; }

  public void setPower(boolean power) {
    this.power = power;
    System.out.println("Power set to " + this.power);
  }

  public void setChannel(int channel) {
    this.channel = channel;
    System.out.println("Chanel set to " + this.channel);
  }

  public void setVolume(int volume) {
    this.volume = volume;
    System.out.println("Volume set to " + this.volume);
  }

  public String toString() {
    String output = new String();
    output += "The power is " + this.power + ".\n";
    output += "The channel is " + this.channel + ".\n";
    output += "The volume is " + this.volume + ".";
    return output;
  }

  private void processString(String input) {
    StringTokenizer tokenizer = new StringTokenizer(input);
    String currentToken = new String();
    while (tokenizer.hasMoreElements()) {
      currentToken = tokenizer.nextToken();
      if (currentToken.equals("channel")) {
        currentToken = tokenizer.nextToken();
        try {
          setChannel(Integer.parseInt(currentToken));
        } catch(NumberFormatException e) {
          e.printStackTrace();
        }
      } else if (currentToken.equals("volume")) {
        currentToken = tokenizer.nextToken();
        try {
          setVolume(Integer.parseInt(currentToken));
        } catch(NumberFormatException e) {
          e.printStackTrace();
        }
      } else if (currentToken.equals("power")) {
        currentToken = tokenizer.nextToken();
        try {
          setPower(Boolean.valueOf(currentToken).booleanValue());
        } catch(Exception e) {
          e.printStackTrace();
        }
      } else {
        showHelpMessage();
        break;
      }
    }
  }

  private void showHelpMessage()
  {
    System.out.println("Usage of the command line:\nchannel c volume v power p");
    System.out.println("You can use one or more of those commands at a time");
  }

  public static void main(String[] args)
  {
    TV tv = new TV();
    tv.doShell();
  }

  public void doShell() {
    InputStreamReader stream = new InputStreamReader(System.in);
    BufferedReader reader = new BufferedReader(stream);
    String input = new String();
    try {
      while (!(input = reader.readLine()).equals("quit")) {
        processString(input);
      }
    } catch ( IOException ioe ) {
      System.exit(-1);
    }
  }
}

You should easily be able to adapt the set-methods to your needs (like range checking). If you have any questions just post them here or mail me at haslo@haslo.ch. allow thyself to be the spark that lights the fire

http://www.haslo.ch

 

[haslo]

You can also download the .java file from

http://www.haslo.ch/java/TV.java

allow thyself to be the spark that lights the fire

http://www.haslo.ch