|
| 1 | +{ |
| 2 | + "meta": { |
| 3 | + "language": "kotlin", |
| 4 | + "language_version": "1.5", |
| 5 | + "language_name": "Kotlin", |
| 6 | + "structure": "queues_stacks" |
| 7 | + }, |
| 8 | + "concepts": { |
| 9 | + "simple_queue_import_statement": { |
| 10 | + "name": "Import statement to add simple queue", |
| 11 | + "code": "import java.util.Queue\nimport java.util.LinkedList" |
| 12 | + }, |
| 13 | + "simple_queue_data_type": { |
| 14 | + "name": "Queue data type name", |
| 15 | + "code": "Queue<T>" |
| 16 | + }, |
| 17 | + "simple_queue_create_statement": { |
| 18 | + "name": "Create a queue", |
| 19 | + "code": "val queue: Queue<Int> = LinkedList()" |
| 20 | + }, |
| 21 | + "simple_queue_create_copy_statement": { |
| 22 | + "name": "Create a queue from existing queue", |
| 23 | + "code": "val newQueue: Queue<Int> = LinkedList(existingQueue)" |
| 24 | + }, |
| 25 | + "simple_queue_create_copy_from_list_statement": { |
| 26 | + "name": "Create a queue from a list of items", |
| 27 | + "code": "val queue: Queue<Int> = LinkedList(listOf(1, 2, 3))" |
| 28 | + }, |
| 29 | + "simple_queue_destroy_statement": { |
| 30 | + "name": "Destroy/delete a queue", |
| 31 | + "code": "queue = null" |
| 32 | + }, |
| 33 | + "simple_queue_data_structure": { |
| 34 | + "name": "Data structure that backs the simple queue", |
| 35 | + "code": "doubly-linked list" |
| 36 | + }, |
| 37 | + "circular_queue_import_statement": { |
| 38 | + "not-implemented": true, |
| 39 | + "name": "Import statement to add circular queue" |
| 40 | + }, |
| 41 | + "circular_queue_data_type": { |
| 42 | + "not-implemented": true, |
| 43 | + "name": "Queue data type name" |
| 44 | + }, |
| 45 | + "circular_queue_create_statement": { |
| 46 | + "not-implemented": true, |
| 47 | + "name": "Create a queue" |
| 48 | + }, |
| 49 | + "circular_queue_create_copy_statement": { |
| 50 | + "not-implemented": true, |
| 51 | + "name": "Create a queue from existing queue" |
| 52 | + }, |
| 53 | + "circular_queue_create_copy_from_list_statement": { |
| 54 | + "not-implemented": true, |
| 55 | + "name": "Create a queue from a list of items" |
| 56 | + }, |
| 57 | + "circular_queue_destroy_statement": { |
| 58 | + "not-implemented": true, |
| 59 | + "name": "Destroy/delete a queue" |
| 60 | + }, |
| 61 | + "circular_queue_data_structure": { |
| 62 | + "not-implemented": true, |
| 63 | + "name": "Data structure that backs the simple queue" |
| 64 | + }, |
| 65 | + "priority_queue_import_statement": { |
| 66 | + "name": "Import statement to add priority queue", |
| 67 | + "code": "import java.util.PriorityQueue" |
| 68 | + }, |
| 69 | + "priority_queue_data_type": { |
| 70 | + "name": "Queue data type name", |
| 71 | + "code": "PriorityQueue<T>" |
| 72 | + }, |
| 73 | + "priority_queue_create_statement": { |
| 74 | + "name": "Create a queue", |
| 75 | + "code": "val queue: PriorityQueue<Int> = PriorityQueue()" |
| 76 | + }, |
| 77 | + "priority_queue_create_copy_statement": { |
| 78 | + "name": "Create a queue from existing queue", |
| 79 | + "code": "val newQueue: PriorityQueue<Int> = PriorityQueue(existingQueue)" |
| 80 | + }, |
| 81 | + "priority_queue_create_copy_from_list_statement": { |
| 82 | + "name": "Create a queue from a list of items", |
| 83 | + "code": "val queue: PriorityQueue<Int> = PriorityQueue(listOf(1, 2, 3))" |
| 84 | + }, |
| 85 | + "priority_queue_destroy_statement": { |
| 86 | + "name": "Destroy/delete a queue", |
| 87 | + "code": "queue = null" |
| 88 | + }, |
| 89 | + "priority_queue_data_structure": { |
| 90 | + "name": "Data structure that backs the priority queue", |
| 91 | + "code": "binary heap data structure" |
| 92 | + }, |
| 93 | + "double_ended_queue_import_statement": { |
| 94 | + "name": "Import statement to add double-ended queue", |
| 95 | + "code": "import java.util.ArrayDeque" |
| 96 | + }, |
| 97 | + "double_ended_queue_data_type": { |
| 98 | + "name": "Queue data type name", |
| 99 | + "code": "ArrayDeque<T>" |
| 100 | + }, |
| 101 | + "double_ended_queue_create_statement": { |
| 102 | + "name": "Create a queue", |
| 103 | + "code": "val deque: ArrayDeque<Int> = ArrayDeque()" |
| 104 | + }, |
| 105 | + "double_ended_queue_create_copy_statement": { |
| 106 | + "name": "Create a queue from existing queue", |
| 107 | + "code": "val newDeque: ArrayDeque<Int> = ArrayDeque(existingDeque)" |
| 108 | + }, |
| 109 | + "double_ended_queue_create_copy_from_list_statement": { |
| 110 | + "name": "Create a queue from a list", |
| 111 | + "code": "val deque: ArrayDeque<Int> = ArrayDeque(listOf(1, 2, 3))" |
| 112 | + }, |
| 113 | + "double_ended_queue_destroy_statement": { |
| 114 | + "name": "Destroy/delete a queue", |
| 115 | + "code": "deque = null" |
| 116 | + }, |
| 117 | + "double_ended_queue_data_structure": { |
| 118 | + "name": "Data structure that backs the double-ended queue", |
| 119 | + "code": "resizable array" |
| 120 | + }, |
| 121 | + "stack_import_statement": { |
| 122 | + "name": "Import statement to add stacks", |
| 123 | + "code": "import java.util.ArrayDeque" |
| 124 | + }, |
| 125 | + "stack_data_type": { |
| 126 | + "name": "Stack data type name", |
| 127 | + "code": "ArrayDeque<T>" |
| 128 | + }, |
| 129 | + "stack_create_statement": { |
| 130 | + "name": "Create a stack", |
| 131 | + "code": "val stack: ArrayDeque<Int> = ArrayDeque()" |
| 132 | + }, |
| 133 | + "stack_create_copy_statement": { |
| 134 | + "name": "Create a stack from existing stack", |
| 135 | + "code": "val newStack: ArrayDeque<Int> = ArrayDeque(existingStack)" |
| 136 | + }, |
| 137 | + "stack_create_copy_from_list_statement": { |
| 138 | + "name": "Create a stack from a list", |
| 139 | + "code": "val stack: ArrayDeque<Int> = ArrayDeque(listOf(1, 2, 3))" |
| 140 | + }, |
| 141 | + "stack_destroy_statement": { |
| 142 | + "name": "Destroy/delete a stack", |
| 143 | + "code": "stack = null" |
| 144 | + }, |
| 145 | + "stack_data_structure": { |
| 146 | + "name": "Data structure that backs the stack", |
| 147 | + "code": "resizable array" |
| 148 | + }, |
| 149 | + "queue_enqueue_an_item": { |
| 150 | + "name": "Enqueue an item (add to end)", |
| 151 | + "code": "queue.offer(item)" |
| 152 | + }, |
| 153 | + "queue_enqueue_priority_item": { |
| 154 | + "not-implemented": true, |
| 155 | + "name": "Enqueue a high priority item (add to end of priority queue)" |
| 156 | + }, |
| 157 | + "queue_enqueue_from_list": { |
| 158 | + "name": "Enqueue items from a list into queue (add list to end)", |
| 159 | + "code": "queue.addAll(listOf(4, 5, 6))" |
| 160 | + }, |
| 161 | + "queue_enqueue_priority_from_list": { |
| 162 | + "not-implemented": true, |
| 163 | + "name": "Enqueue priority items from a list (add list to end of priority queue)" |
| 164 | + }, |
| 165 | + "queue_dequeue_return_an_item": { |
| 166 | + "name": "Dequeue an item (remove from front, return item)", |
| 167 | + "code": "val item = queue.poll()" |
| 168 | + }, |
| 169 | + "queue_dequeue_delete_an_item": { |
| 170 | + "name": "Dequeue an item (remove from front, don't return)", |
| 171 | + "code": "queue.poll()" |
| 172 | + }, |
| 173 | + "queue_peek_at_next_item": { |
| 174 | + "name": "Look/peek at next available element (from front)", |
| 175 | + "code": "val item = queue.peek()" |
| 176 | + }, |
| 177 | + "queue_peek_at_last_item": { |
| 178 | + "not-implemented": true, |
| 179 | + "name": "Look/peek at last element (from back)" |
| 180 | + }, |
| 181 | + "queue_duplicate_next_item": { |
| 182 | + "not-implemented": true, |
| 183 | + "name": "Duplicate next item" |
| 184 | + }, |
| 185 | + "queue_swap_two_items": { |
| 186 | + "not-implemented": true, |
| 187 | + "name": "Swap two items" |
| 188 | + }, |
| 189 | + "queue_get_size": { |
| 190 | + "name": "Get size (number of items) in the queue", |
| 191 | + "code": "val size = queue.size" |
| 192 | + }, |
| 193 | + "queue_get_capacity": { |
| 194 | + "not-implemented": true, |
| 195 | + "name": "Check capacity of queue" |
| 196 | + }, |
| 197 | + "queue_export_to_list": { |
| 198 | + "name": "Export a list of all queue items", |
| 199 | + "code": "val list = queue.toList()" |
| 200 | + }, |
| 201 | + "queue_clear_all": { |
| 202 | + "name": "Clear out all queue items", |
| 203 | + "code": "queue.clear()" |
| 204 | + }, |
| 205 | + "stack_push_item": { |
| 206 | + "name": "Push an item (add to top)", |
| 207 | + "code": "stack.push(item)" |
| 208 | + }, |
| 209 | + "stack_pop_return_item": { |
| 210 | + "name": "Pop an item (remove from top, return item)", |
| 211 | + "code": "val item = stack.pop()" |
| 212 | + }, |
| 213 | + "stack_pop_delete_item": { |
| 214 | + "name": "Pop an item (remove from top, don't return)", |
| 215 | + "code": "stack.pop()" |
| 216 | + }, |
| 217 | + "stack_peek_at_next_item": { |
| 218 | + "name": "Look/peek at next element (from top)", |
| 219 | + "code": "val item = stack.peek()" |
| 220 | + }, |
| 221 | + "stack_peek_at_last_item": { |
| 222 | + "not-implemented": true, |
| 223 | + "name": "Look/peek at last element (from bottom)" |
| 224 | + }, |
| 225 | + "stack_duplicate_next_item": { |
| 226 | + "not-implemented": true, |
| 227 | + "name": "Duplicate top item" |
| 228 | + }, |
| 229 | + "stack_swap_two_items": { |
| 230 | + "not-implemented": true, |
| 231 | + "name": "Swap two items" |
| 232 | + }, |
| 233 | + "stack_get_size": { |
| 234 | + "name": "Get size (number of items) on the stack", |
| 235 | + "code": "val size = stack.size" |
| 236 | + }, |
| 237 | + "stack_get_capacity": { |
| 238 | + "not-implemented": true, |
| 239 | + "name": "Check capacity of stack" |
| 240 | + }, |
| 241 | + "stack_export_to_list": { |
| 242 | + "name": "Export a list of all stack items", |
| 243 | + "code": "val list = stack.toList()" |
| 244 | + }, |
| 245 | + "stack_clear_all": { |
| 246 | + "name": "Clear all stack items", |
| 247 | + "code": "stack.clear()" |
| 248 | + }, |
| 249 | + "iterate_pointer_data_type": { |
| 250 | + "not-implemented": true, |
| 251 | + "name": "Data type of a iterator pointer" |
| 252 | + }, |
| 253 | + "iterate_create_pointer": { |
| 254 | + "not-implemented": true, |
| 255 | + "name": "Create iterator" |
| 256 | + }, |
| 257 | + "iterate_move_to_next_item": { |
| 258 | + "not-implemented": true, |
| 259 | + "name": "Move pointer to next item" |
| 260 | + }, |
| 261 | + "iterate_move_to_previous_item": { |
| 262 | + "not-implemented": true, |
| 263 | + "name": "Move pointer to previous item" |
| 264 | + }, |
| 265 | + "iterate_move_to_beginning": { |
| 266 | + "not-implemented": true, |
| 267 | + "name": "Move pointer to beginning of queue/stack" |
| 268 | + }, |
| 269 | + "iterate_move_to_end": { |
| 270 | + "not-implemented": true, |
| 271 | + "name": "Move pointer to end of queue/stack" |
| 272 | + } |
| 273 | + } |
| 274 | +} |
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