-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathobject-oriented-programming.html
371 lines (334 loc) · 15.7 KB
/
object-oriented-programming.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Dino Lai Software Blogs include Notes, Records and Resources">
<meta name="keywords" content="Programming,System,Coding,Software Develop">
<meta name="author" content="Dino Lai">
<title>Object Oriented Programming - Dinote</title>
<!-- Facebook Open Graph -->
<meta property="og:url" content="https://dinolai.com/notes/development/object-oriented-programming.html" />
<meta property="og:type" content="article" />
<meta property="og:title" content="Object Oriented Programming - Dinote" />
<meta property="og:description" content="Dino Lai Software Blogs include Notes, Records and Resources" />
<meta property="og:image" content="https://dinolai.com/assets/images/logo-icon-name.png" />
<!-- End Facebook Open Graph -->
<link rel="icon" href="/favicon.png" type="image/png">
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u"
crossorigin="anonymous">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp"
crossorigin="anonymous">
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/10.4.1/styles/vs.min.css">
<link rel="stylesheet" href="/node_modules/github-markdown-css/github-markdown.css">
<link rel="stylesheet" href="/assets/css/layout.css">
<script src="/assets/js/google-tags.js"></script>
</head>
<body>
<nav class="navbar navbar-inverse">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false"
aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="/">Dinote</a>
</div>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li id="info-link"><a href="/info">Info</a></li>
<li id="notes-link"><a href="/notes">Notes</a></li>
<li id="toys-link"><a href="/toys">Toys</a></li>
<li id="slides-link"><a href="/slides">Slides</a></li>
<li id="books-link"><a href="/books">Books</a></li>
<li><a href="https://photos.app.goo.gl/VQy1qPDjKNdcm8Qc6" target="_blank" rel="noopener">Records</a></li>
<li><a href="https://www.xmind.net/share/dinos80152/" target="_blank" rel="noopener">MindMaps</a></li>
</ul>
<form id="search-form" class="navbar-form navbar-right" role="search">
<div class="form-group">
<input id="search-input" type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
</div>
<!--/.nav-collapse -->
</div>
</nav>
<div class="container">
<div class="row">
<div class="col-lg-9">
<article class="markdown-body">
<header>Updated: 2017-04-20 22:11:57 CST +08</header>
<main>
<h1 id="object-oriented-programming">Object Oriented Programming</h1>
<h2 id="basic">Basic</h2>
<h3 id="visibility">Visibility</h3>
<table>
<thead>
<tr>
<th></th>
<th>Object</th>
<th>SubClass</th>
<th>SelfClass</th>
</tr>
</thead>
<tbody>
<tr>
<td>public</td>
<td>v</td>
<td>v</td>
<td>v</td>
</tr>
<tr>
<td>protected</td>
<td>x</td>
<td>v</td>
<td>v</td>
</tr>
<tr>
<td>private</td>
<td>x</td>
<td>x</td>
<td>v</td>
</tr>
</tbody>
</table>
<h3 id="class">Class</h3>
<ul>
<li>Constructor</li>
<li>Field
<ul>
<li>variable</li>
<li>constant</li>
</ul></li>
<li>Method
<ul>
<li>Regular</li>
<li>depends on object</li>
<li>Static</li>
<li>depends on class</li>
</ul></li>
<li>Destructor</li>
</ul>
<h3 id="encapsulation">Encapsulation</h3>
<p>don’t operate data directly, use methods by <em>parameters</em> and <em>arguments</em>:</p>
<ul>
<li>Getter, Accessors</li>
<li>Setter, Mutator</li>
</ul>
<h3 id="inherited">Inherited</h3>
<ul>
<li>IS-A
<ul>
<li>Is a <em>Dog</em> an <em>Animal</em>?</li>
</ul></li>
<li>HAS-A
<ul>
<li><em>Dog</em> has a <em>Height</em>.</li>
</ul></li>
</ul>
<h3 id="polymorphism">Polymorphism</h3>
<p>SubClass can override SuperClass methods, and be used when it’s declared as a SuperClass object.</p>
<h4 id="abstract-class">Abstract Class</h4>
<ul>
<li>It’s like “theory of Forms”(Plato) in philosophy. - Dino Lai</li>
<li>use the power of Polymorphism without the work.</li>
<li>all the method in abstract should be abstract.</li>
<li>no abstract fields.</li>
</ul>
<h3 id="interface">Interface</h3>
<ul>
<li>It’s like contract with employee and employer. - Dino Lai</li>
<li>Only declares methods to be implemented.</li>
</ul>
<gcse:searchresults-only></gcse:searchresults-only>
</main>
</article>
<hr>
<div id="disqus_thread"></div>
</div>
<div class="col-lg-3">
<aside>
<section class="panel panel-grey">
<div class="panel-heading clickable" data-toggle="collapse" data-target="#notes-list-all" aria-controls="notes-list-all">
Notes Categories
</div>
<ul id="notes-list-all" class="list-group collapse in" aria-expanded="true">
<li class="list-group-item">
<a href="/notes#aws">AWS</a>
</li>
<li class="list-group-item">
<a href="/notes#books">Books</a>
</li>
<li class="list-group-item">
<a href="/notes#development">Development</a>
</li>
<li class="list-group-item">
<a href="/notes#php">PHP</a>
</li>
<li class="list-group-item">
<a href="/notes#laravel">Laravel</a>
</li>
<li class="list-group-item">
<a href="/notes#golang">Golang</a>
</li>
<li class="list-group-item">
<a href="/notes#git">Git</a>
</li>
<li class="list-group-item">
<a href="/notes#database">Database</a>
</li>
<li class="list-group-item">
<a href="/notes#linux">Linux</a>
</li>
<li class="list-group-item">
<a href="/notes#system">System</a>
</li>
<li class="list-group-item">
<a href="/notes#web">Web</a>
</li>
<li class="list-group-item">
<a href="/notes#editor">Editor</a>
</li>
<li class="list-group-item">
<a href="/notes#os">OS</a>
</li>
<li class="list-group-item">
<a href="/notes#others">Others</a>
</li>
</ul>
</section>
<section class="panel panel-grey">
<div class="panel-heading">Tutorial by Code Example</div>
<ul id="links-list-all" class="list-group">
<li class="list-group-item">
<a href="https://github.com/dinos80152/hackme" target="_blank" rel="noopener">Hack Me</a>
</li>
<li class="list-group-item">
<a href="https://github.com/dinos80152/php-tutorial" target="_blank" rel="noopener">PHP Tutorial</a>
</li>
<li class="list-group-item">
<a href="https://github.com/dinos80152/php-design-pattern-lol" target="_blank" rel="noopener">PHP Design Patterns</a>
</li>
<li class="list-group-item">
<a href="https://github.com/dinos80152/laravel5-example" target="_blank" rel="noopener">Laravel5 Examples</a>
</li>
<li class="list-group-item">
<a href="https://github.com/dinos80152/lairavel" target="_blank" rel="noopener">Web Framework Implementation</a>
</li>
</ul>
</section>
<section class="panel panel-grey">
<div class="panel-heading">Links</div>
<ul id="links-list-all" class="list-group">
<li class="list-group-item">
<i class="fa fa-github fa-fw" aria-hidden="true"></i>
<a href="https://github.com/dinos80152" target="_blank" rel="noopener"> Github</a>
</li>
<li class="list-group-item">
<i class="fa fa-facebook fa-fw" aria-hidden="true"></i>
<a href="https://www.facebook.com/dinolai.note/" target="_blank" rel="noopener"> Facebook</a>
</li>
<li class="list-group-item">
<i class="fa fa-get-pocket fa-fw" aria-hidden="true"></i>
<a href="https://getpocket.com/@dinos80152" target="_blank" rel="noopener"> Pocket</a>
</li>
<li class="list-group-item">
<i class="fa fa-flickr fa-fw" aria-hidden="true"></i>
<a href="https://photos.app.goo.gl/VQy1qPDjKNdcm8Qc6" target="_blank" rel="noopener"> Photos</a>
</li>
<li class="list-group-item">
<i class="fa fa-linkedin fa-fw" aria-hidden="true"></i>
<a href="https://www.linkedin.com/in/dinolai" target="_blank" rel="noopener"> LinkedIn</a>
</li>
<li class="list-group-item">
<i class="fa fa-envelope fa-fw" aria-hidden="true"></i>
<a href="mailto:[email protected]"> Mail</a>
</li>
</ul>
</section>
</aside>
</div>
</div>
</div>
<footer>
<p>© Copyright 2015-2017 by Dino Lai. All Rights Reserved.</p>
</footer>
</body>
<!-- Disqus Block -->
<script>
var disqus_config = function () {
this.page.url = location.href; // Replace PAGE_URL with your page's canonical URL variable
this.page.identifier = location.pathname + location.hash; // Replace PAGE_IDENTIFIER with your page's unique identifier variable
};
(function () { // DON'T EDIT BELOW THIS LINE
var d = document,
s = d.createElement('script');
s.src = '//dinolai.disqus.com/embed.js';
s.setAttribute('data-timestamp', +new Date());
(d.head || d.body).appendChild(s);
})();
</script>
<noscript>Please enable JavaScript to view the <a href="https://disqus.com/?ref_noscript" rel="nofollow">comments powered by Disqus.</a></noscript>
<script id="dsq-count-scr" src="//dinolai.disqus.com/count.js" async></script>
<!--End Disqus Block-->
<script src="/assets/js/google-search.js"></script>
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n"
crossorigin="anonymous"></script>
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa"
crossorigin="anonymous"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/10.4.1/highlight.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/10.4.1/languages/go.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/10.4.1/languages/dockerfile.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/10.4.1/languages/yaml.min.js"></script>
<script src="/bower_components/bower-webfontloader/webfont.js"></script>
<script src="/bower_components/snap.svg/dist/snap.svg-min.js"></script>
<script src="/bower_components/underscore/underscore-min.js"></script>
<script src="/bower_components/js-sequence-diagrams/dist/sequence-diagram-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/raphael/2.2.7/raphael.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/flowchart/1.6.6/flowchart.min.js"></script>
<script src="https://unpkg.com/[email protected]/dist/mermaid.min.js"></script>
<script>
$(document).ready(function () {
// enable highlight.js
$('pre code').each(function (i, block) {
hljs.highlightBlock(block);
});
//use bootstrap css
$("table").addClass("table table-striped")
// use jsSequence
var options = {
theme: "simple"
}
$("pre code.language-sequence").sequenceDiagram(options);
// use flowchart.js
document.querySelectorAll("pre code.language-flow").forEach(function (element, index) {
let md = element.textContent;
element.innerHTML = "";
let id = "flowchart" + index;
element.id = id;
flowchart.parse(md).drawSVG(id);
}, this);
// use mermaid
mermaid.init(undefined, $("pre code.language-mermaid"));
// navbar button active highlight
$("div#navbar div.row ul.nav li").removeClass("active");
parentDir = location.pathname.split("/")[1];
$("#" + parentDir + "-link").addClass("active")
// integrate google custom search
$("#search-form").submit(function (event) {
event.preventDefault();
location.href = location.protocol + "//" + location.host + "/search?q=" + $("#search-input").val();
});
});
</script>
</body>
</html>