Use appropriate method calls from the List ADT to create the following list: < 4 19 | 23 30 >
You should assume that L is passed to the function as an empty list.

public List buildList(List L)
{
}

The complete method is as follows:

public List buildList(List L) {  

 L.insert(30);

 L.insert(23);

 L.insert(19);

 L.insert(4);  

   return L; }

Explanation:

To complete the method, we make use of the insert() function.

This inserts elements of the list into list L. However, we have to start from the last element (i.e. in descending order)

So, the explanation is as follows:

 L.insert(30); --- This inserts the last element

Continue inserting in descending order

 L.insert(23);  

 L.insert(19);

Until the first list element is inserted

 L.insert(4);

This returns the filled list L  

   return L;

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