This LinkedListUtil class tests various usages of the LinkedList class
param1 is an array of String, param2 and param3 are Strings. You will create
a linked list from param1. Then you are to add param2 as a
new first element and param3 as a new last element of the linked list.
LinkedListUtil.java
import java.util.LinkedList;
import java.util.ListIterator;
public class LinkedListUtil
{
/**
Add s1 as a new first element and s2 as a new last element
of the linked list.
*/
public static void processList(LinkedList<String> list, String s1, String s2)
{
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}
// this method is used to check your work
public static LinkedList<String> check(String[] values, String s1, String s2)
{
LinkedList<String> list = new LinkedList<String>();
for (String s : values)
list.addLast(s);
processList(list, s1, s2);
return list;
}
}
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