ArrayList : get : Get the Element at Specific index

public E get(int index)

Returns the element at the specified position in this list.

import java.util.*;

class ArrayListGet{
  public static void main(String args[]){
    ArrayList<Integer> myList;
    myList = new ArrayList<Integer> ();
  
    /* Add Elements to myList */
    myList.add(10);
    myList.add(20);
    myList.add(30);
    myList.add(40);
  
    System.out.println("Elements in myList are " + myList);
    System.out.println("\nElement at index 1 is " + myList.get(1));
  }
}

Output

Elements in myList are [10, 20, 30, 40]

Element at index 1 is 20

1. Throws IndexOutOfBoundsException, if index is out of range

import java.util.*;

class ArrayListGetIndexOut{
  public static void main(String args[]){
    ArrayList<Integer> myList;
    myList = new ArrayList<Integer> ();
  
    /* Add Elements to myList */
    myList.add(10);
    myList.add(20);
    myList.add(30);
    myList.add(40);
  
    System.out.println("Elements in myList are " + myList);
    System.out.println("\nElement at index -1 is " + myList.get(-1));
  }
}

Output

Elements in myList are [10, 20, 30, 40]
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
        at java.util.ArrayList.elementData(ArrayList.java:371)
        at java.util.ArrayList.get(ArrayList.java:384)
        at ArrayListGetIndexOut.main(ArrayListGetIndexOut.java:15)

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