junddao

// record

// 순서와 타입을 보장해 주는 자료형

void main() {
  final result = nameAndAge({
    'name': '하하',
    'age': 20,
  });

junddao

// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility in the flutter_test package. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.

import 'dart:collection';

/**

junddao

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
}

junddao

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
}

junddao

void main() {
  Miro miro = Miro();
  Student jason = Jason();
  Student bera = Bera();
 
  miro.subscribe(jason);
  miro.subscribe(bera);
  
  miro.speak();
}

junddao

// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility in the flutter_test package. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.

import 'dart:collection';

/**

junddao

class Solution {
  int numMatchingSubseq(String s, List<String> words) {
//     List<String> ss = s.split('');
    int result = 0;
    for(String item in words){
      String tempS = s;
      List<String> wordsOne = item.split('');
      bool isContain = false;
      for(String one in wordsOne){
        print(wordsOne);

junddao

/* 
 *        1
 *       / \
 *      2   3
 *     / \
 *    4   5
 * 
 * inorder (left, root, right)   : 4 2 5 1 3