A LinkedList check should test empty results, overload selection, and the cost of access patterns.
Check your LinkedList understanding
Before answering
Read the method name and argument type. Then identify whether the operation locates a node, edits links, or returns an empty-case sentinel. The related quiz provides six questions and explanations; it runs in this browser without a code judge.
Connected lessons
Continue with Java LinkedList: operations, internals and failure cases, Java LinkedList quiz.
Common Mistakes
Do not confuse poll with remove or element. Do not infer thread safety from an exception that might be thrown.
java
linkedlist-quiz-guide