Consider the following code snippet: ArrayList<BankAccount> accounts1 = new ArrayList<BankAccount>() ; //Line 1
LinkedList accounts2 = new LinkedList() ; //Line 2
Accounts1.add("my Salary") ; //Line 3
Accounts2.addFirst("my Salary") ; //Line 4
Which of the above lines will cause a run-time error when the object is retrieved elsewhere in the program?

Question

Quizplus · Accepted Answer

Line 4 will cause a run-time error because Accounts2 is a LinkedList and it does not have an add method. The correct method to add an element to the beginning of a LinkedList is addFirst.

Consider the Following Code Snippet: ArrayList<BankAccount> Accounts1 = New ArrayList<BankAccount>();