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| 1 | +package com.bobocode.LinkedList; |
| 2 | + |
| 3 | +/** |
| 4 | + * {@link LinkedList} is a list implementation that is based on singly linked generic nodes. A node is implemented as |
| 5 | + * inner static class {@link Node<T>}. In order to keep track on nodes, {@link LinkedList} keeps a reference to a head node. |
| 6 | + * |
| 7 | + * @param <T> generic type parameter |
| 8 | + */ |
| 9 | +public class LinkedList<T> implements List<T> { |
| 10 | + |
| 11 | + /** |
| 12 | + * This method creates a list of provided elements |
| 13 | + * |
| 14 | + * @param elements elements to add |
| 15 | + * @param <T> generic type |
| 16 | + * @return a new list of elements the were passed as method parameters |
| 17 | + */ |
| 18 | + public static <T> List<T> of(T... elements) { |
| 19 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 20 | + } |
| 21 | + |
| 22 | + /** |
| 23 | + * Adds an element to the end of the list |
| 24 | + * |
| 25 | + * @param element element to add |
| 26 | + */ |
| 27 | + @Override |
| 28 | + public void add(T element) { |
| 29 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 30 | + } |
| 31 | + |
| 32 | + /** |
| 33 | + * Adds a new element to the specific position in the list. In case provided index in out of the list bounds it |
| 34 | + * throws {@link IndexOutOfBoundsException} |
| 35 | + * |
| 36 | + * @param index an index of new element |
| 37 | + * @param element element to add |
| 38 | + */ |
| 39 | + @Override |
| 40 | + public void add(int index, T element) { |
| 41 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 42 | + } |
| 43 | + |
| 44 | + /** |
| 45 | + * Changes the value of an list element at specific position. In case provided index in out of the list bounds it |
| 46 | + * throws {@link IndexOutOfBoundsException} |
| 47 | + * |
| 48 | + * @param index an position of element to change |
| 49 | + * @param element a new element value |
| 50 | + */ |
| 51 | + @Override |
| 52 | + public void set(int index, T element) { |
| 53 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 54 | + } |
| 55 | + |
| 56 | + /** |
| 57 | + * Retrieves an elements by its position index. In case provided index in out of the list bounds it |
| 58 | + * throws {@link IndexOutOfBoundsException} |
| 59 | + * |
| 60 | + * @param index element index |
| 61 | + * @return an element value |
| 62 | + */ |
| 63 | + @Override |
| 64 | + public T get(int index) { |
| 65 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 66 | + } |
| 67 | + |
| 68 | + /** |
| 69 | + * Removes an elements by its position index. In case provided index in out of the list bounds it |
| 70 | + * throws {@link IndexOutOfBoundsException} |
| 71 | + * |
| 72 | + * @param index element index |
| 73 | + */ |
| 74 | + @Override |
| 75 | + public void remove(int index) { |
| 76 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 77 | + } |
| 78 | + |
| 79 | + |
| 80 | + /** |
| 81 | + * Checks if a specific exists in he list |
| 82 | + * |
| 83 | + * @return {@code true} if element exist, {@code false} otherwise |
| 84 | + */ |
| 85 | + @Override |
| 86 | + public boolean contains(T element) { |
| 87 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 88 | + } |
| 89 | + |
| 90 | + /** |
| 91 | + * Checks if a list is empty |
| 92 | + * |
| 93 | + * @return {@code true} if list is empty, {@code false} otherwise |
| 94 | + */ |
| 95 | + @Override |
| 96 | + public boolean isEmpty() { |
| 97 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 98 | + } |
| 99 | + |
| 100 | + /** |
| 101 | + * Returns the number of elements in the list |
| 102 | + * |
| 103 | + * @return number of elements |
| 104 | + */ |
| 105 | + @Override |
| 106 | + public int size() { |
| 107 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 108 | + } |
| 109 | + |
| 110 | + /** |
| 111 | + * Removes all list elements |
| 112 | + */ |
| 113 | + @Override |
| 114 | + public void clear() { |
| 115 | + throw new UnsupportedOperationException("This method is not implemented yet"); // todo: implement this method |
| 116 | + } |
| 117 | +} |
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