eungikim

package kr.eungi.test;

import org.junit.Test;

import java.util.HashMap;
import java.util.Map;

import static org.junit.Assert.assertEquals;
// https://programmers.co.kr/learn/courses/30/lessons/42587?language=java#
/**

eungikim

public class ClickerFragment extends Fragment {
    public static final String TAG = ClickerFragment.class.getSimpleName();

    private SharedPreferences prefs;
    private int counter;
    
    private TextView counterText;
    private Button up;
    private Button reset;

eungikim

import 'dart:math';

class Rectangle {
  int width;
  int height;
  Point origin;
  
  Rectangle({this.origin = const Point(0,0), this.width = 0, this.height = 0});
  
  @override

eungikim

class Bicycle {
  int cadence;
  // Change speed to private(_speed), it is also available in the main method.
  int _speed = 0;
  int get speed => _speed;
  int gear;

  Bicycle(this.cadence, this.gear);
  
  @override

eungikim

System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories