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feat: add dart code for chapter_stack_and_queue and chapter_hashing (#445)

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* feat: add dart code for chapter stack and queue

* feat: add dart code for chapter_hashing

* Update array_hash_map.dart
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liuyuxin
2023-03-30 02:03:08 +08:00
committed by GitHub
parent cac38c0c93
commit 684f27cf5e
11 changed files with 975 additions and 0 deletions
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36
codes/dart/chapter_stack_and_queue/stack.dart Normal file
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/**
* File: stack.dart
* Created Time: 2023-03-27
* Author: liuyuxin (gvenusleo@gmail.com)
*/
void main() {
/* 初始化栈 */
// Dart 没有内置的栈类，可以把 List 当作栈来使用
final List<int> stack = [];
/* 元素入栈 */
stack.add(1);
stack.add(3);
stack.add(2);
stack.add(5);
stack.add(4);
print("栈 stack = $stack");
/* 访问栈顶元素 */
final int peek = stack.last;
print("栈顶元素 peek = $peek");
/* 元素出栈 */
final int pop = stack.removeLast();
print("出栈元素 pop = $pop");
print("出栈后 stack = $stack");
/* 获取栈的长度 */
final int size = stack.length;
print("栈的长度 size = $size");
/* 判断是否为空 */
final bool isEmpty = stack.isEmpty;
print("栈是否为空 = $isEmpty");
}