Creating string to show in serial port

i have typed this code following a person on youtube and want it to show welcome to on the serial print. Why wont this work?? His has worked. This is a link to his website so you can see his code and compare it.
http://www.toptechboy.com/arduino/arduino-lesson-5-working-with-strings/

This is all of my code:

int blueLEDpin=11;
int blueWaitTimeOn=900;
int blueWaitTimeOff=100;
int redLEDPin=13;
int redWaitTimeOn=100;
int redWaitTimeOff=900;
int numBlueBlink=10; //number of times the blue LED blinks
int numRedBlink =5; // number of times thered LED blinks
String blueMessage="The blue led is blinking!"; //declaring a string variable
String redMessage="The red LED is blinking!"; //declaring the string variable

void setup() {
String st1= "Welcome to"; //declaring string variable va1 and assign a value
String st2= "my program"; //decaring string variable va2 and assign a value
Serial.print(st1);
Serial.begin(9600);
pinMode(blueLEDpin,OUTPUT);
pinMode(redLEDPin,OUTPUT);
}

void loop() {

Serial.println(blueMessage);
for (int j=1;j<=numBlueBlink; j++ ){ //this is a loop for blue LED to blink
Serial.println(" You are on blink #: ");
Serial.println(j);
digitalWrite(blueLEDpin,HIGH); //turns blue LED on
delay(blueWaitTimeOn); //delays the code
digitalWrite(blueLEDpin,LOW); //turns blue LED off
delay(blueWaitTimeOff); //delays the code
}
Serial.print(" ");
Serial.println(redMessage);
for (int j=1;j<=numRedBlink; j++ ){ //this is a loop for the red LED to blink
Serial.println(" You are on Blink #: ");
Serial.println(j);
digitalWrite(redLEDPin,HIGH); //turns red LED on
delay(redWaitTimeOn); //delays the code
digitalWrite(redLEDPin,LOW); //turns red LED off
delay(redWaitTimeOff); //delays the code
}

}

You have said your program won't work but you need to tell us exactly what happens.

Does the code compile without errors?

...R

Probably because you try to print before you open the serial port

Serial.print(st1);
  Serial.begin(9600);

I'm guessing it prints other stuff. It would have been useful if you had told us that.

...R

sorry!

Read the how to use this forum post at the top of the forum

Mark

Please read #7 below:

http://forum.arduino.cc/index.php/topic,148850.0.html