Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Class

Vector

Name

setElementAt()

Examples
Vector < int > intVector;

void setup() {
  Serial.begin(9600); 
  pinMode(48, OUTPUT);  // turn ON wiring hardware LED
  digitalWrite(48, HIGH);
  
  for(int i=0; i<255; i++) {  // add 255 elements from 0 to 254
    intVector.addElement(i);
  }
  
  Serial.print("The vector's capacity is: ");
  Serial.println(intVector.capacity(), DEC);  // print the vector's capacity

  if(intVector.contains(15) == true) {  // check if contains number 15
    Serial.println("The vector contains the element 15");
  }
  Serial.print("The vector's first element is: ");
  Serial.println(intVector.firstElement(), DEC);  // print the vector's first element
  Serial.print("The vector's index for element 30 is: ");
  Serial.println(intVector.indexOf(30), DEC);  // print the vector's element at position 30
  if(intVector.isEmpty() == false) {  // check if vector has elements
    Serial.println("The vector has elements");
  } 
  Serial.print("The vector's last element is: ");  
  Serial.println(intVector.lastElement(), DEC);  // print the vector's last element
  Serial.print("The vector's last index of 10 is: ");
  Serial.println(intVector.lastIndexOf(10), DEC);  // print the vector's last index of 10
  Serial.print("The vector's size is: ");
  Serial.println(intVector.size(), DEC);  // print the vector's size

  if(intVector.add(255) == true) {  // add element
    Serial.print("the element was added and now the vector's last element is: ");
    Serial.println(intVector.lastElement(), DEC);  // print the vector's last element
  }

  intVector.addElement(256); // add another element
  Serial.print("now the vector's last element is: ");  
  Serial.println(intVector.lastElement(), DEC);  // print the vector's last element

  intVector.insertElementAt(0, 10);  // insert 0 at index 10

  int t = intVector.elementAt(10);  // get the element at index 10
  Serial.print("t is: ");
  Serial.println(t, DEC);  // print its value

  intVector.remove(10);  // remove element at position 10
  t = intVector.get(10);  // get the element at position 10
  Serial.print("t after remove is: ");
  Serial.println(t, DEC);  // print the element at position 10

  intVector.removeElementAt(10);  // remove element at position 10
  t = intVector.get(10);  // get the element at position 10
  Serial.print("t after removeElementAt is: ");  // print the element at position 10
  Serial.println(t, DEC);

  if(intVector.removeElement(23) ==true) {  // remove element 23 from the Vector
    Serial.print("the element 23 was removed and the element value after remove is: ");
  } 

  intVector.setElementAt(10, 5);  // set element at postion 5 with value 10
  t = intVector.get(5);  // get the element at position 10
  Serial.print("element at index 5 is now: ");
  Serial.println(t, DEC);  // print the element at position 10

  intVector.clear();  // clear all elements in the vector
  Serial.print("The vector's size after clear is: ");
  Serial.println(intVector.size(), DEC);  // print the vector's size 
}


void loop() {

}

Description Sets the component at the specified index of this vector to be the specified object. The previous component at that position is discarded. The index must be a value greater than or equal to 0 and less than the current size of the vector.
Syntax
setElementAt(data, index)
Parameters
data data: a valid datatype: int, long, char
index int: the index to examine
Usage Application
Updated on November 01, 2009 05:22:41pm PST

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