My first book on programming, bought while on the path to my Associate’s after falling in love with Java.

Fantastic resource that both gives you the knowledge needed to make good programs but sets you on a good path of practice. This is like a “just add water” kind of package as far as learning Java, only replace water with “Don’t stop practicing afterwards” and you’re set for success.

Thanks for the book!

I can’t find Java 2 Standard Edition SDK! HELP I SPENT 50$ on this book! Can anyone HELP ME.
If you do email me at… mcflurry1059@gmail.com

Same problem – same error. Sample code won’t compile.

Just got the book as well, what do I need to install before I can Run any of the above source codes? Using Win7 64-bit IE9
I recently installed JRE.

Please help!

You will need the JDK from oracle, http://www.oracle.com/technetwork/java/javase/downloads/index.html

This book got me started with the Head First series and I have not looked back. Conveniently, for what I have been looking to achieve, the series has proven itself invaluable. They have books for each of the topics that have been important to the tasks I have been provided – giving me the ability to learn quickly and the methods used for teaching have been fantastic. The part at the beginning of the books mentioning “how” they are going to teach you and “why” really helped me appreciate this book because that side of learning development is something else I have read a lot on. They had me from hello, so to speak.

I found myself picking up the JSP book (and will probably get the design patterns book) for no reason other than I know I will learn something new from them, and quickly.

This is not just a review for this book, but all of them really.

I must admit the HTML5 book is the only one that appeared to be a little rushed. A few typos here and there can be forgiven in what has been the best series of books I have come across for learning the topics covered.

Brilliant work guys and girls – anyone undecided on whether this is the book for them… if it’s Head First, you won’t go far wrong.

I love this book and I’ll definetely check out other Head First books!

See the above answer.

Thanks for your book!

public class practice {

public static void main (String[]args) {

int x= 1;

while(x<———–){
System.out.—————————-("Doo");
System.out.—————————-("Bee");

x=x+1;
}

if(x==————–){
System.out.println("Do");
}
}
}

Hy everyone !
I’ve just started to learn java SE, and I don’t see any topics on the forum about this.
Where can I ask questions about java ?

I just bought the Head First Java book, 2nd Ed. (teaches Java 5.0), but I want to download the latest SE version of Java (Java SE 7). Will the code used in the book run if I use the latest version? Are Java 5.0 SE and Java 7 SE compatible? I will appreciate your help. Thanks.

would you please, elaborate on “page 79” about set and get on “class ElectricGuitar” example!

They might be in the code bundle? You can download that here: http://wickedlysmart.com/get-code/ That’s all we have from Kathy and Bert for Head First Java.

Elisabeth,

Thanks for your message. This, however, does not answer my questions. (I truly believe that in order to learn ANY thing in computer science, you have to already KNOW it, because no one is able to explain simple concepts). I have to change my system PATH environment variable. (Windows 7)….Control Panel…System…Advanced System Settings…Environment Variables…. and then what??? I append some address, blah, blah, blah, to the PATH variable. EXACTLY WHAT ADDRESS???? How?? What’s the PATH variable? Sounds simple, hey? Well, I’ve done it four times and I can’t open ANY thing with the command window. . . and it’s now 12:33 a.m. and I’m sick to death of computers, Java, and people who cannot explain things to Where do I SAVE files?? I can’t find simple answers to simple questions, I’m juggling three different texts (including the Head’s Up book) and I can’t even log into a website where there MIGHT be an answer. So, heads-up . . . catch this . . . it’s my towel. I’m throwing it in. Nothing is worth this idiocy.
MD

Hello there…

I agree that was a rant, but he has a point about the path.

I’ve just started reading the book and I can’t work out what to add either. Do I edit the existing path variable (which seems to point to SQL Server), or add a new one? If a new one, can I just call that ‘path’ as well? Presumably the value for the new path variable is the full directory path to the java…/bin folder, including the ‘bin’?

Cheers, John

Hi,
Ive been working through the book although I still cant find the answers to the exercises. Ive checked in the code bundle and they dont seem to be in there. Please help.

Is anyone having problems getting the guessgame (p39-40) code to run? I copied it out but keep getting the error ‘Error: Main method not found in class guessgame.GuessGame, please define the main method as:

public static void main(String[] args)

This error comes up on the Game launcher class, on the line ‘public static void main(String[] args)’. I don’t understand why I’m being told this line isn’t in the project on the very line that states it? I get the same error if I copy the wickedlysmart download code into a new file. I’m using NetBeans if that is anything to do with it?
————————————————————
/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

package guessgame;

/**

*

* @author D.C

*/

public class GuessGame {

/**

* @param args the command line arguments

*/

Player p1;

Player p2;

Player p3;

public void startGame() {

// TODO code application logic here

p1 = new Player();

p2 = new Player();

p3 = new Player();

int guessp1 = 0;

int guessp2=0;

int guessp3=0;

boolean p1isRight = false;

boolean p2isRight = false;

boolean p3isRight=false;

int targetNumber = (int) (Math.random()) *10;

System.out.println(“I’m thinking of a number between 1 and 9…”);

while (true){

System.out.println(“Number to guess is ” + targetNumber);

p1.guess();

p2.guess();

p3.guess();

guessp1 = p1.number;

System.out.println(“Player one guessed “+ guessp1);

guessp2 = p2.number;

System.out.println(“Player two guessed “+guessp2);

guessp3 = p3.number;

System.out.println(“Player three guessed ” + guessp3);

if (guessp1 == targetNumber){

p1isRight = True;

}

if (guessp2 == targetNumber){

p2isRight = True;

}

if (guessp3 == targetNumber){

p3isRight = True;

}

if (p1isRight |p2isRight|p3isRight){

System.out.println(“We have a winner”);

System.out.println(“Player one got it right? ” +p1isRight);

System.out.println(“Player two got it right?” + p2isRight);

System.out.println(“Player three got it right?”+ p3isRight);

System.out.println(“Game is over”);

break; // game over, so break out of the loop

}else{

//Keep going until someone is right

System.out.println(“Players will have to try again”);

}// end if / else

} //end loop

// end method

//end class

}

public class Player{

int number =0; // where the guess goes

public void guess(){

number = (int) (Math.random()*10);

System.out.println(“I’m guessing ” + number);

}

public class GameLauncher{

public static void main(String[] args){

GuessGame game = new GuessGame();

game.startGame();

}

}

}

}

What IDE should i use when i read head first java book..Thank you

Really hard to understand…

Try harder

The point of using methods in a class to access and set your instance variables in another class is so you can set a classes instance variables to ‘private’ and keep them safe in other classes.

how are you guys gonna say in your book you have answers to the exercises on your website but yet they are nowhere to be found. fail

Yes, it’s unfortunate, but the books don’t scale well for Kindle. And because of the way the books are created it’s impossible to reformat for Kindle.

If you have a specific question about Chapter 4, let us know!

Thanks Benjamin!

Harold, we have passed your comments on to the authors Kathy and Bert. We support the book files on this site for legacy reasons but this is not your book. I’m sorry we can’t be more helpful.