X$278$: ListADT

Use appropriate method calls from the List ADT to create the following list:

You should assume that $L$ is passed to the function as an empty list.

Your Answer:

public List buildList$($List L$)\{$

L$.$ insert$(,$ Integer.valueof$(4))$;

line $3$: error: method insert in interface List cannot be applied to given types;

required: java.lang.Object

L$.$insert$(1,$ Integer.valueOf$(19))$;

L$.$ insert$(2,$ Integer.value$0$f$(23))$;

L$.$ insert$(3,$ Integer.valueof$(30))$;

return $L$;

$\}$