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import java.util.*;
class Linkedlist
{
public static void main(String args[])
{
LinkedList obj = new LinkedList();
obj.add("A");
obj.add("B");
obj.add("C");
obj.addFirst("D");
System.out.println(obj);
}
}
a) [A, B, C]
b) [D, B, C]
c) [A, B, C, D]
d) [D, A, B, C]
d
Explanation: obj.addFirst(“D”) method is used to add ‘D’ to the start of a LinkedList object obj.
Output:
$ javac Linkedlist.java
$ java Linkedlist
[D, A, B, C].