Vector <int> intVector; 
int arrayOfInts[11];  // declares an array of ints with 11 positions 
 
void setup() { 
  Serial.begin(9600); 
  pinMode(48, OUTPUT);  // turn ON wiring hardware LED 
  digitalWrite(48, HIGH); 
  
  for(int i=0; i<10; i++) {  // add 255 elements from 0 to 254 
    intVector.addElement(i); 
  } 
    
  intVector.copyInto(arrayOfInts);  // copy the Vector content into an array 
 
  Serial.print("The arrayOfInts elements are: "); 
  for(int i=0; i<10; i++) {  // print all all elements in the array 
    Serial.print(arrayOfInts[i], DEC); 
    Serial.print(" "); 
  } 
  Serial.println(); 
  
  Serial.print("The vector's capacity is: "); 
  Serial.println(intVector.capacity(), DEC);  // print the vector's capacity 
  intVector.ensureCapacity(20); 
  Serial.print("now the vector's capacity is: "); 
  Serial.println(intVector.capacity(), DEC);  // print the vector's capacity 
  
  Serial.print("The vector's size is: "); 
  Serial.println(intVector.size(), DEC);  // print the vector's size 
  intVector.setSize(5); 
  Serial.print("now the vector's size is: "); 
  Serial.println(intVector.size(), DEC);  // print the vector's size 
 
  Serial.print("The vector's capacity is: "); 
  Serial.println(intVector.capacity(), DEC);  // print the vector's capacity 
  intVector.trimToSize(); 
  Serial.print("now the vector's capacity is: "); 
  Serial.println(intVector.capacity(), DEC);  // print the vector's capacity  
} 
 
 
void loop() { 
 
}