{"id":26246,"date":"2025-12-27T04:30:06","date_gmt":"2025-12-26T19:30:06","guid":{"rendered":"http:\/\/www.tyosuke20xx.com\/blog\/?p=26246"},"modified":"2025-12-27T04:30:09","modified_gmt":"2025-12-26T19:30:09","slug":"java-%e3%82%af%e3%83%a9%e3%82%b9%e3%81%ae%e7%b6%99%e6%89%bf","status":"publish","type":"post","link":"http:\/\/www.tyosuke20xx.com\/blog\/?p=26246","title":{"rendered":"Java \u30af\u30e9\u30b9\u306e\u7d99\u627f"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>public class CTest11 {\n  public static void main(String&#91;] args) {\n    Soarer soarer = new Soarer();\n\n    System.out.println(soarer.status());\n\n    \/\/ \u30eb\u30fc\u30d5\u64cd\u4f5c\n    soarer.openRoof();\n    System.out.println(soarer.status());\n\n    \/\/ \u52a0\u901f\n    for(int i=0; i&lt;6; i++){\n      soarer.accele();\n    }\n    System.out.println(soarer.status());\n\n    \/\/ \u8d70\u884c\u4e2d\u306b\u30eb\u30fc\u30d5\u3092\u958b\u3051\u3088\u3046\u3068\u3059\u308b\uff08\u5931\u6557\u3059\u308b\uff09\n    soarer.openRoof();\n    System.out.println(soarer.status());\n\n    \/\/ \u6e1b\u901f\u3057\u3066\u505c\u6b62\n    for(int i=0; i&lt;20; i++){\n      soarer.brake();\n    }\n    System.out.println(soarer.status());\n\n    \/\/ \u505c\u6b62\u4e2d\u306a\u3089\u9589\u3058\u3089\u308c\u308b\n    soarer.closeRoof();\n    System.out.println(soarer.status());\n  }\n}\n\nclass Car {\n  private int speed = 0;\n  private final int maxSpeed;\n\n  public Car(int maxSpeed){\n    this.maxSpeed = maxSpeed;\n  }\n\n  public void accele(){\n    setSpeed(speed + 5);\n  }\n\n  public void brake(){\n    setSpeed(speed - 5);\n  }\n\n  protected void setSpeed(int newSpeed){\n    if(newSpeed &lt; 0) newSpeed = 0;\n    if(newSpeed > maxSpeed) newSpeed = maxSpeed;\n    speed = newSpeed;\n  }\n\n  public int getSpeed(){\n    return speed;\n  }\n\n  public int getMaxSpeed(){\n    return maxSpeed;\n  }\n\n  public boolean isStopped(){\n    return speed == 0;\n  }\n\n  public String status(){\n    return \"\u901f\u5ea6: \" + speed + \"km\/h (MAX \" + maxSpeed + \")\";\n  }\n}\n\nclass Soarer extends Car {\n  private boolean roofOpen = false;\n\n  \/\/ \u4f8b\uff1a\u30bd\u30a2\u30e9\u306f\u6700\u9ad8180\n  public Soarer(){\n    super(180);\n  }\n\n  \/\/ \u8eca\u7a2e\u7279\u6027\uff1a\u52a0\u901f\u304c\u5c11\u3057\u5f37\u3044\n  @Override\n  public void accele(){\n    setSpeed(getSpeed() + 10);\n\n    \/\/ \u4e00\u5b9a\u901f\u5ea6\u4ee5\u4e0a\u306a\u3089\u5b89\u5168\u306e\u305f\u3081\u81ea\u52d5\u3067\u9589\u3058\u308b\n    if(getSpeed() >= 60 &amp;&amp; roofOpen){\n      roofOpen = false;\n    }\n  }\n\n  @Override\n  public void brake(){\n    setSpeed(getSpeed() - 10);\n  }\n\n  public void openRoof(){\n    \/\/ \u8d70\u884c\u4e2d\u306f\u5371\u306a\u3044\u306e\u3067\u7981\u6b62\uff08\u505c\u6b62\u4e2d\u306e\u307f\uff09\n    if(isStopped()){\n      roofOpen = true;\n    }\n  }\n\n  public void closeRoof(){\n    roofOpen = false; \/\/ \u2190\u30d0\u30b0\u4fee\u6b63\uff1atrue\u3058\u3083\u306a\u304f\u3066false\n  }\n\n  public boolean isRoofOpen(){\n    return roofOpen;\n  }\n\n  @Override\n  public String status(){\n    String roof = roofOpen ? \"\u5c4b\u6839: OPEN\" : \"\u5c4b\u6839: CLOSED\";\n    return super.status() + \" \/ \" + roof;\n  }\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-26246","post","type-post","status-publish","format-standard","hentry","category-java"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/26246","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26246"}],"version-history":[{"count":1,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/26246\/revisions"}],"predecessor-version":[{"id":26247,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/26246\/revisions\/26247"}],"wp:attachment":[{"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=26246"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tyosuke20xx.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=26246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}