[B! ç¶™æ‰¿] Itisangoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

Itisango id:Itisango

ç¶™æ‰¿ã«é–¢ã™ã‚‹Itisangoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ç¶™æ‰¿
æ¦‚è¦ ç¶™æ‰¿ï¼ˆinheritanceï¼‰ã¨ã¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã®ä¸æ ¸ã‚’æ‹…ã†æ¦‚å¿µã§ã€ ã‚ã‚‹ã‚¯ãƒ©ã‚¹ã‹ã‚‰æ€§è³ªã‚’å—ã‘ç¶™ã„ã æ–°ã—ã„ã‚¯ãƒ©ã‚¹ã‚’ä½œã‚‹ã“ã¨ã§ã™ã€‚ ç¶™æ‰¿ã¯æ´¾ç”Ÿï¼ˆderivationï¼‰ã¨ã‚‚å‘¼ã°ã‚Œã¾ã™ã€‚ ãƒã‚¤ãƒ³ãƒˆ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã®ä¸æ ¸æ¦‚å¿µãã®2: ç¶™æ‰¿ã€‚ ã€Œäººé–“ã€âŠƒã€Œå¦ç”Ÿã€ã®ã‚ˆã†ã«ã€åŒ…å«é–¢ä¿‚ã®ã‚ã‚‹ã‚‚ã®ã‚’è¡¨ç¾ã™ã‚‹æ–¹æ³•ã€‚ ã€Œå¦ç”Ÿã¯äººé–“ã‚’ç¶™æ‰¿ã™ã‚‹ã€ã€ã€Œå¦ç”Ÿã¯äººé–“ã‹ã‚‰æ´¾ç”Ÿã™ã‚‹ã€ãªã©ã¨è¨€ã†ã€‚ class Person { ... } ã«å¯¾ã—ã¦ã€class Student : Person { ... } ã¨æ›¸ãã€‚ ç¶™æ‰¿é–¢ä¿‚ã¨ã¯ ç¶™æ‰¿é–¢ä¿‚ã®ä¾‹ã¨ã—ã¦ã€ã€Œäººé–“ã€ã¨ã€Œå¦ç”Ÿã€ã¨ã„ã†2ã¤ã®ã‚¯ãƒ©ã‚¹ã«ã¤ã„ã¦è€ƒãˆã¦è¦‹ã¾ã—ã‚‡ã†ã€‚ ã€Œå¦ç”Ÿã€ã¯ã€Œäººé–“ã€ã®ä¸€éƒ¨ã§ã™ã€‚ ã™ãªã‚ã¡ã€ã€Œå¦ç”Ÿã€ãªã‚‰ã°å¿…ãšã€Œäººé–“ã€ã¨ã—ã¦ã®ç‰¹å¾´ã‚’å‚™ãˆã¦ã„ã¾ã™ã€‚ ãã‚Œã¨ã¯é€†ã«ã€Œäººé–“ã€ã ã‹ã‚‰ã¨ã„ã£ã¦å¿…ãšã—ã‚‚ã€Œå¦ç”Ÿã€ã§ã‚ã‚‹ã¨ã¯ã„ãˆã¾ã›ã‚“ã€‚ ã¤ã¾ã‚Šã€ã€Œå¦ç”Ÿã€ã¯ã€Œäººé–“ã€ã®ç‰¹åˆ¥
Itisango 2019/07/28
#Microsoft

ã‚ã¨ã§èªã‚€

c#

class

programming

Csharp

.NET

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

test

ç¶™æ‰¿

constructor
ãƒªãƒ³ã‚¯
æš—é—‡ã§ï¼–ï¼å¹´ï¼‘ï¼•ï¼ï¼ä¸–ä»£é£¼è‚²ã€ã€Œæš—é»’ãƒã‚¨ã€ç ”ç©¶çª®åœ°ã«ï¼šæœæ—¥æ–°èžãƒ‡ã‚¸ã‚¿ãƒ«
çœŸã£æš—é—‡ã§ãƒã‚¨ã‚’é£¼ã„ç¶šã‘ãŸã‚‰ã©ã‚“ãªå¤‰åŒ–ãŒèµ·ãã‚‹ã‹ã€‚äº¬éƒ½å¤§ã§ï¼–ï¼å¹´ä»¥ä¸Šç¶šãã€æ¯”é¡žãªã„ç ”ç©¶ãŒçª®åœ°ã«é™¥ã£ã¦ã„ã‚‹ã€‚ç ”ç©¶æˆæžœãŒè„šå…‰ã‚’æµ´ã³ãªãŒã‚‰ã€ä¸å¿ƒçš„ãªç ”ç©¶è€…ãŒï¼“æœˆæœ«ã«äº¬å¤§ã‚’é›¢ã‚Œã‚‹ã“ã¨ã«ãªã‚Šã€å¾Œç¶™ãŒæ±ºã¾ã‚‰ãªã„ãŸã‚ã ã€‚ å…‰ã®å±Šã‹ãªã„æ´žçªŸã«ã™ã‚€ç”Ÿãç‰©ã¯ã€ç›®ã®é€€åŒ–ã‚„ä½“ãŒç™½ã£ã½ã„ã¨ã„ã£ãŸç‰¹å¾´ãŒã‚ã‚‹ã€‚ã“ã†ã—ãŸéºä¼çš„ãªå¤‰åŒ–ã‚’å®Ÿé¨“ã§æ¤œè¨¼ã—ã‚ˆã†ã¨ã„ã†ã®ãŒã€Œæš—é»’ãƒã‚¨ã€ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã ã€‚äº¬å¤§æ•™æŽˆã®æ£®ä¸»ä¸€ã•ã‚“ï¼ˆæ•…äººï¼‰ãŒï¼‘ï¼™ï¼•ï¼”å¹´ï¼‘ï¼‘æœˆã‹ã‚‰å§‹ã‚ãŸã€‚ ä½“é•·æ•°ãƒŸãƒªã®ã‚·ãƒ§ã‚¦ã‚¸ãƒ§ã‚¦ãƒã‚¨ã‚’ã€å…‰ãŒå…¥ã‚‰ãªã„ã‚ˆã†åŽšã„è¦†ã„ã‚’ã‹ã¶ã›ãŸé‹ã®ä¸ã®ç‰›ä¹³ç“¶ã§è¨ˆï¼‘ï¼ï¼åŒ¹ã»ã©é£¼è‚²ã€‚ç“¶ã«ã¯ã‚¨ã‚µã‚’å«ã‚€å¯’å¤©ãŒå…¥ã£ã¦ã„ã‚‹ã€‚ç“¶ã®å…¥ã‚Œæ›¿ãˆã¯ã€ãƒã‚¨ã®ç›®ã«è¦‹ãˆãªã„èµ¤è‰²ç¯ã‚’ã¨ã‚‚ã—ãŸæš—å®¤ã‚’ä½¿ã†ã€‚ ãƒã‚¨ã¯ç´„ï¼’é€±é–“ã§ä¸–ä»£äº¤ä»£ã—ã€ä»Šæœˆï¼‘ï¼˜æ—¥ç¾åœ¨ã§ï¼‘ï¼•ï¼ï¼•ä¸–ä»£ã«é”ã—ãŸã€‚æ™®é€šã®ãƒã‚¨ã¨è¦‹ãŸç›®ã¯ã»ã¨ã‚“ã©å¤‰ã‚ã‚‰ãªã„ãŒã€ï¼’ï¼ï¼ï¼˜å¹´ã«ç ”ç©¶ã‚’å¼•ãç¶™ã„ã ï¼“ä»£ç›®ã®ç ”ç©¶å“¡ã€å¸ƒæ–½ç›´ä¹‹ã•ã‚“ã«ã‚ˆã‚‹ã¨ã€æš—é»’ãƒã‚¨
Itisango 2016/02/27
ç ”ç©¶

2016å¹´

ç¶™æ‰¿

äº¬éƒ½å¤§å¦

ãƒã‚¨

æš—é»’

å®Ÿé¨“

science

biology

é€²åŒ–
ãƒªãƒ³ã‚¯
PHP7ã§ã‚¯ãƒ©ã‚¹ã¯ãƒãƒ©ãƒãƒ©ã«ãªã£ãŸ
PHP7ã§ã¯ç„¡åã‚¯ãƒ©ã‚¹ãŒå°Žå…¥ã•ã‚Œã¾ã™ã€‚ PHP7èª¿æŸ»(26)ç„¡åã‚¯ãƒ©ã‚¹ã®å°Žå…¥ - Qiita ã“ã‚Œã€å˜ã«æ§‹æ–‡ã ã‘ã®è©±ã«ã›ãšã€ã€Œã‚¯ãƒ©ã‚¹ã®ç¬¬3ã®èƒ½åŠ›ãŒå˜ç‹¬ã§åˆ‡ã‚Šå‡ºã•ã‚ŒãŸã€ã¨æ‰ãˆã‚‹ã¨é¢ç™½ã„ã®ã‹ãªã¨æ€ã„ã¾ã—ãŸã€‚ ã‚¯ãƒ©ã‚¹ãŒæŒã¤3ã¤ã®å½¹å‰² ã‚¯ãƒ©ã‚¹ãŒæŒã¤3ã¤ã®å½¹å‰² - è¥¿å°¾æ³°å’Œã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ ã€Œã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚’æ”¯ãˆã‚‹æŠ€è¡“ã€ã®è¥¿å°¾æ³°å’Œæ°ã«ã‚ˆã‚‹ã¨ã€ã‚¯ãƒ©ã‚¹ã«ã¯ ãƒ¦ãƒ¼ã‚¶ãƒ¼å®šç¾©åž‹ å®Ÿè£…ã®å†åˆ©ç”¨ã®å˜ä½ ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ç”Ÿæˆå™¨ ã®3ã¤ã®å½¹å‰²ãŒã‚ã‚‹ã¨ã„ã„ã¾ã™ã€‚ ã‚¯ãƒ©ã‚¹ãŒæ‰±ã„ã¥ã‚‰ã„æ¦‚å¿µã ã¨ã™ã‚Œã°ã€ãã‚Œã¯ã“ã®3ã¤ã®èƒ½åŠ›ã‚’ã¾ã¨ã‚ã¦æŒã£ã¦ã„ã‚‹ã‹ã‚‰ã§ã™ã€‚ PHPã®ãƒ¦ãƒ¼ã‚¶ãƒ¼å®šç¾©åž‹ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ PHPã®å ´åˆã€ã‚¿ã‚¤ãƒ—ãƒ’ãƒ³ãƒˆãŒã‚ã‚Šã¾ã™ã—ã€å®šç¾©ã—ãŸã‚¯ãƒ©ã‚¹ã¯å¾Œã‹ã‚‰æ‹¡å¼µã™ã‚‹ã“ã¨ãŒã§ãã¾ã›ã‚“ï¼ˆã‚ªãƒ¼ãƒ—ãƒ³ã‚¯ãƒ©ã‚¹ã§ã¯ãªã„ï¼‰ã€‚ if ($obj instanceof FooClass) { //... } ã“ã®ã€Œ$objãŒFooClassã®ã‚¤ãƒ³ã‚¹ã‚¿
Itisango 2015/06/25
php7

php

ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘

programming

ç¶™æ‰¿

@ã‚ã¨ã§èªã‚€

dev

web

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

software
ãƒªãƒ³ã‚¯
ç¬¬14å›žã€€ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ã¨ç¶™æ‰¿ | gihyo.jp
ã“ã‚“ã«ã¡ã¯ã€å¤ªç”°ã§ã™ã€‚å‰å›žã¯ç·é›†ç·¨çš„ãªå†…å®¹ã§ã—ãŸãŒã€ä»Šå›žã¯ä¸€è»¢ã—ã¦åŸºç¤Žç·¨ã«æˆ»ã‚Šã¾ã™ã€‚JavaScriptã«ãŠã‘ã‚‹ç¶™æ‰¿ã®æ–¹æ³•ã¨ãã®ä»•çµ„ã¿ã«ã¤ã„ã¦ã€ä»Šå›žã‹ã‚‰æ•°å›žã«åˆ†ã‘ã¦åŸºç¤Žçš„ãªéƒ¨åˆ†ã‹ã‚‰ãã£ã¡ã‚ŠæŠ¼ã•ãˆã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ JavaScriptã¨ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ JavaScriptã¯ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ãƒ™ãƒ¼ã‚¹ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨è¨€ã‚ã‚Œã¦ã„ã¾ã™ã€‚newæ¼”ç®—åã‚’ç”¨ã„ã‚‹ã“ã¨ã§ã€é–¢æ•°ãŒã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã¨ã—ã¦åƒãã€ãã®ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ãŒæŒã¤ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ãƒ¡ã‚½ãƒƒãƒ‰ï¼ˆãƒ—ãƒãƒ‘ãƒ†ã‚£ï¼‰ã‚’ç¶™æ‰¿ã—ãŸæ–°ã—ã„ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ä½œã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ãªãŠã€ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã¨ã„ã†æ¦‚å¿µã«ã¤ã„ã¦ã¯ä»Šå›žã¯è§¦ã‚Œã¾ã›ã‚“ã€‚ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã¨ã„ã†æ¦‚å¿µã‚’æŽ´ã¿ãã‚Œã¦ã„ãªã„ã€è‡ªä¿¡ãŒãªã„ã¨ã„ã†æ–¹ã¯ã€JavaScriptã®prototypeã‚’ã—ã£ã‹ã‚Šã¨ç†è§£ã—ã¦ã‹ã‚‰æ”¹ã‚ã¦ãã®æ¦‚å¿µã‚’å¦ã‚“ã§ã¿ã‚‹ã¨ã™ã‚“ãªã‚Šã¨ç†è§£ã§ãã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ã•ã‚‰ã«ã€
Itisango 2010/09/14
JavaScript

prototype

ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘

ç¶™æ‰¿

ã‚¯ãƒã‚¹ãƒ–ãƒ©ã‚¦ã‚¶
ãƒªãƒ³ã‚¯
1