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Created
June 4, 2023 07:21
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| void main() { | |
| // final node1 = Node(value: 1); | |
| // final node2 = Node(value: 2); | |
| // final node3 = Node(value: 3); | |
| // node1.next = node2; | |
| // node2.next = node3; | |
| // print(node2); | |
| final stack = Stack<int>(); | |
| stack.push(1); | |
| stack.push(2); | |
| stack.push(3); | |
| stack.push(4); | |
| print(stack); | |
| stack.pop(); | |
| print(stack); | |
| } | |
| // Linked List | |
| class Node<T> { | |
| T value; | |
| Node<T>? next; | |
| Node({required this.value, this.next}); | |
| @override | |
| String toString() { | |
| if (next == null) return '$value'; | |
| return '$value -> ${next.toString()}'; | |
| } | |
| } | |
| // Stack | |
| class Stack<E> { | |
| Stack() : _storage = <E>[]; | |
| final List<E> _storage; | |
| void push(E element) => _storage.add(element); | |
| E pop() => _storage.removeLast(); | |
| @override | |
| String toString() { | |
| return '' | |
| '${_storage.reversed.join('\n')}' | |
| '\n'; | |
| } | |
| } |
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