I am writing a method to remove the first element in a doubly linked list. However I am supposed to throw an exception when the list is empty. When I test my class I keep getting "testRemoveFirst caused an ERROR: Uncompilable source code - exception Exceptions.EmptyCollectionException is never thrown in body of corresponding try statement" What does that mean and why is it not able to run?(I'm coding in Java)

I am writing a method to remove the first element in a doubly linked list. However I am supposed to throw an exception when the list is empty. When I test my class I keep getting "testRemoveFirst caused an ERROR: Uncompilable source code - exception Exceptions.EmptyCollectionException is never thrown in body of corresponding try statement" What does that mean and why is it not able to run?(I'm coding in Java)

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter14: Exception Handling

Section: Chapter Questions

Problem 3PE

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I am writing a method to remove the first element in a doubly linked list. However I am supposed to throw an exception when the list is empty. When I test my class I keep getting "testRemoveFirst caused an ERROR: Uncompilable source code - exception Exceptions. EmptyCollection Exception is never thrown in body of corresponding try statement" What does that mean and why is it not able to run? (I'm coding in Java)
Write a method that removes the value of a node with index i from a singly-linked list. Also, you must raise exceptions when necessary. You must NOT use any other methods that **you implemented** in the assignment (everything must be done inline). (In python Programming) Consider the following class definition: class SLLException(Exception): """ Custom exception class to be used by Singly Linked List DO NOT CHANGE THIS CLASS IN ANY WAY """ passclass SLNode: """ Singly Linked List Node class DO NOT CHANGE THIS CLASS IN ANY WAY """ def __init__(self, value: object) -> None: self._next = None self._value = valueclass LinkedList: def __init__(self, start_list=None): """ Initializes a new linked list with front and back sentinels DO NOT CHANGE THIS METHOD IN ANY WAY """ self._head = SLNode(None) self._tail = SLNode(None) self._head._next = self._tail # populate SLL with initial…
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How do I implement the following methods in Java?
Complete the method void addFirst(T item). It adds an item of type T to the front of the deque. It must not use any loops or recursion. Each operation must take constant time, that is, it does not depend on the deque's size. Additionally, if the item is null, instead of adding it into the deque, reject and throw an illegal argument exception. Here's the skeleton code // EXERCISE 6.2 ADD NOT NULL TO FRONT /** * Adds an non-null item of type T to the front of the deque. * @param item is a type T object. @throws IllegalArgumentException if the item is null. */ public void addFirst(T item) { }
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I'm trying to understand LargeIntList (Large Integers) classes for lists, I was wondering these statements or True or False? either or, can you please explain your answers? Thank you. Allows duplicate elements. Uses the LLNode class of the support package. Throws an exception if an iteration “walks off ” the end of the list. Throws an exception if an element is added when it is "full". Supports addition of elements at the front of the list, the end of the list, and anywhere in between. Can hold objects of any Java class. Has only O(1) operations, including its constructor. Provides more than one Iterator.
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please solve this important, thanks.