// 2009 mlab.uiah.fi/paja
// Understanding for loop
// Send valuses of myInts array to your PC

int myInts[5] = {2, 1, 0, -1, -2};
    
void setup(){
  Serial.begin(9600);
}

void loop(){
  
  // variabl i needs to be created because it is used in following for loop statement.
  int i;
  
  /*
  for(initialization; condition; increment;){
    statement(s);
  }
  initialization: this is the first setup.
  condition: statement runs until the condition is true.
  indrement: if the condition is true, Increment is excuted aster all statements run.
  */
  for (i = 0; i < 5; i = i + 1) {
    // myIns[0] -> myIns[1] -> myIns[2] ...
    Serial.println(myInts[i]);
  }
  
  // print empty line
  Serial.println();
  delay(3000);
}