Asked by Kameran Bryant on Sep 28, 2024
Verified
Which is the correct syntax for placing the string "boat" into an ArrayList name recVehicles in position 3 for the first time?
A) recVehicles.set3,"boat") ;
B) recVehicles.set"boat",3) ;
C) recVehicles.add3,"boat") ;
D) recVehicles.add"boat",3) ;
Syntax
The set of rules that defines the combinations of symbols considered to be correctly structured programs or expressions in a programming language.
ArrayList
A resizable array implementation of the List interface in Java, providing dynamic array sizing and manipulation functionalities.
- Absorb information on the utilization and operational mechanics of the ArrayList class in Java.
Verified Answer
MC
Marie Cebien1 day ago
Final Answer :
C
Explanation :
To add an element to a specific index in an ArrayList, we use the add() method with the index and the element as parameters. So, the correct syntax would be recVehicles.add(3, "boat"). Note that the set() method is used to replace an existing element at a specific index in the ArrayList.
Learning Objectives
- Absorb information on the utilization and operational mechanics of the ArrayList class in Java.