{"id":31497,"date":"2023-07-26T20:31:28","date_gmt":"2023-04-01T00:05:17","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8e%e4%bb%8a%e5%a4%a9%e5%bc%80%e5%a7%8b%e6%b6%89%e8%b6%b3java%e9%a2%86%e5%9f%9f\/"},"modified":"2024-04-30T15:28:54","modified_gmt":"2024-04-30T07:28:54","slug":"%e4%bb%8e%e4%bb%8a%e5%a4%a9%e5%bc%80%e5%a7%8b%e6%b6%89%e8%b6%b3java%e9%a2%86%e5%9f%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8e%e4%bb%8a%e5%a4%a9%e5%bc%80%e5%a7%8b%e6%b6%89%e8%b6%b3java%e9%a2%86%e5%9f%9f\/","title":{"rendered":"\u4ece\u4eca\u5929\u5f00\u59cb\u6d89\u8db3Java\u9886\u57df"},"content":{"rendered":"

\u5b66\u4e60Java\u5e76\u603b\u7ed3\u6240\u9700\u5185\u5bb9\u3002<\/p>\n

Eclipse\u6377\u5f84\u952e<\/h1>\n

\u25a0 \u8865\u5168(Ctrl + Space)
\n\uff08\u5b57\u6bcd\u6846\u5185\u8f93\u5165\uff09System.out.println();
\n\uff08\u5b57\u6bcd\u6846\u5185\u8f93\u5165\uff09System.out.println();
\n\uff08\u4e3b\u65b9\u6cd5\uff09public static void main(String[] args) {}<\/p>\n

\u58f0\u660e\u5c40\u90e8\u53d8\u91cf\uff08Ctrl + 2 \u2192 L\uff09
\nnew ArrayList(); \u2192 ArrayList arrayList = new ArrayList();<\/p>\n

\u25a0 \u5176\u4ed6\u5feb\u6377\u952e
\n\u4ee3\u7801\u683c\u5f0f\u5316\uff08Ctrl + Shift + F\uff09
\n\u6ce8\u91ca\uff08Ctrl + \/\uff09
\n\u5feb\u901f\u4fee\u590d\uff08Ctrl + 1\uff09
\n\u5411\u4e0b\u6216\u5411\u4e0a\u79fb\u52a8\u4e00\u884c\uff0c\u590d\u5236\u4e00\u884c\uff08Alt + \u2193\u2191\uff0cCtrl + Alt + \u2193\u2191\uff09
\n\u5220\u9664\u4e00\u884c\uff08Ctrl + D\uff09
\n\u63d0\u53d6\u65b9\u6cd5\uff08Alt + Shift + M\uff09
\n\u6253\u5f00\u8c03\u7528\u5c42\u7ea7\uff08Ctrl + Alt + H\uff09
\n\u6253\u5f00\u58f0\u660e\uff08Ctrl + \u70b9\u51fb\uff09
\n\u6253\u5f00\u7c7b\u578b\uff08Ctrl + Shift + T\uff09<\/p>\n

\u7f16\u5199\u7a0b\u5e8f<\/h1>\n

\u6211\u4e3a\u81ea\u5df1\u8bfb\u4e86\u300a\u8f7b\u677e\u5b66\u4e60Java\u5165\u95e8\u300b\u4e00\u4e66\u505a\u7684\u603b\u7ed3\u3002
\nhttps:\/\/sukkiri.jp\/books\/sukkiri_java3<\/p>\n

\u25bc\u7c7b\u5757 + \u4e3b\u5757<\/p>\n

public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5728\u4e3b\u8981\u7684\u533a\u5757\u4e2d\u6240\u5199\u7684\u5185\u5bb9\u3002<\/h2>\n
System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u3053\u3093\u306b\u3061\u306f\"<\/span>);<\/span>\u300c<\/span>\u3053\u3093\u306b\u3061\u306f<\/span>\u300d<\/span>\u3068\u8868\u793a\u3055\u305b\u308b<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u4e8c\u91cd\u5f15\u7528\u7b26\uff08\u00a5\"<\/span>\uff09<\/span>\");\u300c\u4e8c\u91cd\u5f15\u7528\u7b26\uff08\"<\/span>\uff09\u300d<\/span>\u3068\u8868\u793a\u3055\u305b\u308b<\/span>\r\n\r\nint<\/span> age<\/span>;<\/span>\/\/\u5909\u6570\u5ba3\u8a00\uff08age\u3068\u3044\u3046\u7bb1\u3092\u7528\u610f\uff09<\/span>\r\nage<\/span> =<\/span> 20<\/span>;<\/span>\/\/\u5909\u6570age \u4ee3\u5165\u300020<\/span>\r\nint<\/span> age<\/span> =<\/span> 20<\/span>;<\/span>\/\/\u5909\u6570 age\u309220\u3067\u521d\u671f\u5316<\/span>\r\nage<\/span> =<\/span> 32<\/span>;<\/span>\/\/\u5909\u6570age\u306b\u518d\u4ee3\u5165<\/span>\r\nfinal<\/span> double<\/span> Pi<\/span> =<\/span> 3.14<\/span>;<\/span>\/\/\u5b9a\u6570\u3068\u3057\u3066\u5186\u5468\u7387\u3092\u5ba3\u8a00<\/span>\r\n\r\n\/\/\uff1a\u30c7\u30fc\u30bf\u578b\uff08\u6574\u6570\uff09<\/span>\r\nbyte<\/span> glasses<\/span> =<\/span> 2<\/span>;<\/span>\/\/\u6240\u6301\u3059\u308b\u30e1\u30ac\u30cd\u306e\u6570<\/span>\r\nshort<\/span> age<\/span> =<\/span> 20<\/span>;<\/span>\/\/\u5e74\u9f62<\/span>\r\nint<\/span> salary<\/span> =<\/span> 180000<\/span>;<\/span>\/\/\u7d66\u4e0e\u91d1\u984d<\/span>\r\nlong<\/span> worldPeople<\/span> =<\/span> 6900000000L<\/span>;<\/span>\/\/\u4e16\u754c\u306e\u4eba\u53e3<\/span>\r\n\/\/\u30c7\u30fc\u30bf\u578b\uff08\u5c11\u6570\uff09<\/span>\r\nfloat<\/span> weight<\/span> =<\/span> 56<\/span>;<\/span>\/\/\u4f53\u91cd<\/span>\r\ndouble<\/span> pi<\/span> =<\/span> 3.14<\/span>;<\/span>\/\/\u5186\u5468\u7387<\/span>\r\n\/\/\u30c7\u30fc\u30bf\u578b\uff08\u771f\u507d\u5024\uff09<\/span>\r\nboolean<\/span> isError<\/span> =<\/span> true<\/span>;<\/span>\/\/true\u304bfalse<\/span>\r\n\/\/\u30c7\u30fc\u30bf\u578b\uff08\u6587\u5b57\u3001\u6587\u5b57\u5217\uff09<\/span>\r\nchar<\/span> initial<\/span> =<\/span> F<\/span>;<\/span>\/\/\u30a4\u30cb\u30b7\u30e3\u30eb\uff11\u6587\u5b57<\/span>\r\nString<\/span> name<\/span> =<\/span> Haru<\/span>;<\/span>\/\/\u540d\u524d<\/span>\r\n\r\nint<\/span> m<\/span> =<\/span> Math<\/span>.<\/span>max<\/span>(<\/span>\u2460<\/span>,<\/span>\u2461<\/span>);<\/span>\/\/\u6570\u5b57\u3092\u6bd4\u8f03\u3057\u3066\u5927\u304d\u3044\u65b9\u3092\u4ee3\u5165<\/span>\r\nint<\/span> n<\/span> =<\/span> Interger<\/span>.<\/span>parseInt<\/span>(<\/span>\u2460<\/span>);<\/span>\u6587\u5b57\u5217\u3092\u6570\u5b57\u306b\u5909\u63db<\/span>\r\nint<\/span> r<\/span> =<\/span> new<\/span> java<\/span>.<\/span>util<\/span>.<\/span>Random<\/span>().<\/span>nextInt<\/span>(<\/span>\u2460<\/span>);<\/span>\/\/\u4e71\u6570\u3092\u767a\u751f\uff08\u6700\u5927\u2460\u307e\u3067\uff09<\/span>\r\nString<\/span> s<\/span> =<\/span> new<\/span> java<\/span>.<\/span>util<\/span>.<\/span>Scanner<\/span>(<\/span>System<\/span>.<\/span>in<\/span>).<\/span>nextLine<\/span>();<\/span>\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u6587\u5b57\u5165\u529b<\/span>\r\nint<\/span> i<\/span> =<\/span> new<\/span> java<\/span>.<\/span>util<\/span>.<\/span>Scanner<\/span>(<\/span>System<\/span>.<\/span>in<\/span>).<\/span>nextInt<\/span>();<\/span>\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u6574\u6570\u5165\u529b<\/span>\r\n<\/code><\/pre>\n
\u5c94\u8def<\/h1>\n
\/\/if<\/span>\r\nif<\/span> (<\/span>tenki<\/span> ==<\/span> true<\/span>)<\/span> {<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u6674\u308c\u3067\u3059\"<\/span>);<\/span>\r\n}<\/span>else<\/span> {<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u96e8\u3067\u3059\"<\/span>);<\/span>\r\n}<\/span>\r\n\r\n\/\/switch<\/span>\r\nint<\/span> lucky<\/span> =<\/span> new<\/span> java<\/span>.<\/span>util<\/span>.<\/span>Random<\/span>().<\/span>nextInt<\/span>(<\/span>3<\/span>)+<\/span>1<\/span>;<\/span>\r\nSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>lucky<\/span>);<\/span>\r\nswitch<\/span> (<\/span>lucky<\/span>)<\/span> {<\/span>\r\ncase<\/span> 1<\/span>:<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u5927\u5409\u3067\u3059\"<\/span>);<\/span>\r\n    break<\/span>;<\/span>\r\ncase<\/span> 2<\/span>:<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u5409\u3067\u3059\"<\/span>);<\/span>\r\n    break<\/span>;<\/span>\r\ncase<\/span> 3<\/span>:<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u51f6\u3067\u3059\"<\/span>);<\/span>\r\n}<\/span>\r\n\r\n\/\/\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u4e2d\u65ad break\u6587<\/span>\r\n\/\/\u4eca\u56de\u3060\u3051\u4e2d\u65ad\u3057\u3066\u6b21\u306e\u5468\u3078 continue\u6587<\/span>\r\n\r\n\/\/\u8ad6\u7406\u6f14\u7b97\u5b50 &&\uff08\u304b\u3064\uff09\u3001||\uff08\u307e\u305f\u306f\uff09<\/span>\r\n<\/code><\/pre>\n
\u91cd\u590d<\/h1>\n
for<\/span> (<\/span>int<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> 10<\/span>;<\/span> i<\/span>++)<\/span> {<\/span>\r\n\u3000\u3000<\/span>\u30d6\u30ed\u30c3\u30af<\/span>  \r\n}<\/span>\r\n\r\nwhile<\/span> (<\/span>i<\/span> <<\/span> 100<\/span>)<\/span> {<\/span>\r\n\u3000\u3000<\/span>\u30d6\u30ed\u30c3\u30af<\/span>\r\n}<\/span>\r\n\r\ndo<\/span> {<\/span>\r\n    if<\/span> (<\/span>i<\/span> %<\/span> 3<\/span> ==<\/span> 0<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>i<\/span>);<\/span>\r\n    }<\/span>\r\n    i<\/span>++;<\/span>\r\n}<\/span> while<\/span> (<\/span>i<\/span> <<\/span> 100<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u6392\u5217<\/h1>\n
int<\/span>[]<\/span> score<\/span>;<\/span>\/\/int\u578b\u306e\u8981\u7d20\u3092\u4ee3\u5165\u3067\u304d\u308b\u914d\u5217\u5909\u6570score\u3092\u7528\u610f<\/span>\r\nscore<\/span> =<\/span> new<\/span> int<\/span>[<\/span>5<\/span>];<\/span>int\u578b\u306e\u8981\u7d20\u30925\u3064\u4f5c\u6210\u3057\u3066score\u306b\u4ee3\u5165<\/span>\r\n\r\nscore<\/span>.<\/span>length<\/span>\/\/\u914d\u5217\u306e\u8981\u7d20\u6570\u306e\u53d6\u5f97<\/span>\r\n\r\nint<\/span>[]<\/span> scores1<\/span> =<\/span> new<\/span> int<\/span>[]<\/span> {<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>};<\/span>\/\/\u7701\u7565\u6cd51<\/span>\r\nint<\/span>[]<\/span> scores2<\/span> =<\/span> {<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>};<\/span>\/\/\u7701\u7565\u6cd52<\/span>\r\n\r\nfor<\/span> (<\/span>\u8981\u7d20\u306e\u578b<\/span> \u5909\u6570\u540d:<\/span>\u914d\u5217\u5909\u6570\u540d<\/span>){<\/span>\/\/\u62e1\u5f35for\u6587<\/span>\r\n}<\/span>\r\n\r\n\/\/\u4f8b<\/span>\r\nint<\/span>[]<\/span> moneyList<\/span> =<\/span> {<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>};<\/span>\r\nfor<\/span>(<\/span>int<\/span> i<\/span>=<\/span>0<\/span>;<\/span> i<\/span> <<\/span> moneyList<\/span>.<\/span>length<\/span>;<\/span> i<\/span>++)<\/span> {<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>moneyList<\/span>[<\/span>i<\/span>]);<\/span>\r\n}<\/span>\r\nfor<\/span>(<\/span>int<\/span> m<\/span> :<\/span> moneyList<\/span>)<\/span> {<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>m<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u65b9\u6cd5<\/h1>\n
\/\/\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9<\/span>\r\npublic<\/span> static<\/span> \u623b\u308a\u5024\u306e\u578b<\/span> \u30e1\u30bd\u30c3\u30c9\u540d<\/span>(<\/span>\u5f15\u6570\u30ea\u30b9\u30c8<\/span>)<\/span> {<\/span>\r\n    \u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308b\u5177\u4f53\u7684\u306a\u51e6\u7406<\/span>\r\n}<\/span>\r\n\r\npublic<\/span> static<\/span> void<\/span> hello<\/span>()<\/span> {<\/span>\/\/hello\u30e1\u30bd\u30c3\u30c9\u3001void\u306f\u623b\u308a\u5024\u304c\u306a\u3057\u306e\u3068\u304d\u306b\u4f7f\u7528<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u3053\u3093\u306b\u3061\u306f\"<\/span>);<\/span>\r\n}<\/span>\r\nhello<\/span>();<\/span>\/\/hello\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n\r\n\/\/\u4f8b<\/span>\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n    introduceOneself<\/span>();<\/span>\r\n}<\/span>\r\npublic<\/span> static<\/span> void<\/span> introduceOneself<\/span>()<\/span> {<\/span>\r\n    String<\/span> name<\/span> =<\/span> \"\u306f\u308b\"<\/span>;<\/span>\r\n    int<\/span> age<\/span> =<\/span> 6<\/span>;<\/span>\r\n    double<\/span> height<\/span> =<\/span> 110.5<\/span>;<\/span>\r\n    char<\/span> zodiac<\/span> =<\/span> '\u5348'<\/span>;<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>name<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>age<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>height<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>zodiac<\/span>);<\/span>\r\n}<\/span>\r\n\r\n\/\/\u4f8b\uff08\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\uff09<\/span>\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n    String<\/span> address<\/span> =<\/span> \"hoge@hogehoho.hoge\"<\/span>;<\/span>\r\n    String<\/span> text<\/span> =<\/span> \"\u30e1\u30fc\u30eb\u306e\u672c\u6587\"<\/span>;<\/span>\r\n    email<\/span>(<\/span>address<\/span>,<\/span>text<\/span>);<\/span>\r\n}<\/span>\r\npublic<\/span> static<\/span> void<\/span> email<\/span>(<\/span>String<\/span> address<\/span>,<\/span> String<\/span> text<\/span>)<\/span> {<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>address<\/span> +<\/span> \"\u306b\u3001\u4ee5\u4e0b\u306e\u30e1\u30fc\u30eb\u3092\u9001\u308a\u307e\u3057\u305f\"<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u4ef6\u540d\uff1a\u7121\u984c\"<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u672c\u6587\uff1a\"<\/span> +<\/span> text<\/span>);<\/span>\r\n}<\/span>\r\npublic<\/span> static<\/span> void<\/span> email<\/span>(<\/span>String<\/span> title<\/span>,<\/span> String<\/span> address<\/span>,<\/span> String<\/span> text<\/span>)<\/span> {<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>address<\/span> +<\/span> \"\u306b\u3001\u4ee5\u4e0b\u306e\u30e1\u30fc\u30eb\u3092\u9001\u308a\u307e\u3057\u305f\"<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u4ef6\u540d\uff1a\"<\/span> +<\/span> title<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u672c\u6587\uff1a\"<\/span> +<\/span> text<\/span>);<\/span>\r\n}<\/span>\r\n\r\n\/\/\u4f8b\uff08\u4e09\u89d2\u5f62\u306e\u9762\u7a4d\uff09<\/span>\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n    double<\/span> triangleArea<\/span> =<\/span> calcTriangleArea<\/span>(<\/span>10.0<\/span>,<\/span>5.0<\/span>);<\/span>\r\n    System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>triangleArea<\/span>);<\/span>\r\n}<\/span>\r\npublic<\/span> static<\/span> double<\/span> calcTriangleArea<\/span>(<\/span>double<\/span> bottom<\/span>,<\/span> double<\/span> height<\/span>)<\/span> {<\/span>\r\n    double<\/span> area<\/span> =<\/span> bottom<\/span> *<\/span> height<\/span> \/<\/span> 2<\/span>;<\/span>\r\n    return<\/span> area<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u53c2\u8003\uff1aJava\u65b9\u6cd5\u7684\u4f7f\u7528\u65b9\u5f0f
\nhttps:\/\/www.javadrive.jp\/start\/method\/index1.html<\/p>\n
\u91c7\u7528\u591a\u4e2a\u73ed\u7ea7\u8fdb\u884c\u5f00\u53d1<\/h1>\n
public<\/span> class<\/span> Calc<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        int<\/span> a<\/span> =<\/span> 10<\/span>;<\/span> int<\/span> b<\/span> =<\/span> 2<\/span>;<\/span>\r\n        int<\/span> total<\/span> =<\/span> CalcLogic<\/span>.<\/span>tasu<\/span>(<\/span>a<\/span>,<\/span> b<\/span>);<\/span>\r\n        int<\/span> delta<\/span> =<\/span> CalcLogic<\/span>.<\/span>hiku<\/span>(<\/span>a<\/span>,<\/span> b<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u8db3\u3059\u3068\"<\/span> +<\/span> total<\/span> +<\/span> \"\u3001\u5f15\u304f\u3068\"<\/span> +<\/span> delta<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
public<\/span> class<\/span> CalcLogic<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        public<\/span> static<\/span> int<\/span> tasu<\/span>(<\/span>int<\/span> a<\/span>,<\/span> int<\/span> b<\/span>)<\/span> {<\/span>\r\n            return<\/span> (<\/span>a<\/span> +<\/span> b<\/span>);<\/span>\r\n        }<\/span>\r\n        public<\/span> static<\/span> int<\/span> hiku<\/span>(<\/span>int<\/span> a<\/span>,<\/span> int<\/span> b<\/span>)<\/span> {<\/span>\r\n            return<\/span> (<\/span>a<\/span> -<\/span> b<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5b9e\u4f8b\u4e0e\u7c7b<\/h1>\n
\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Cleric<\/span> c<\/span> =<\/span> new<\/span> Cleric<\/span>();<\/span>\r\n        c<\/span>.<\/span>name<\/span> =<\/span> \"\u8056\u8077\u8005\"<\/span>;<\/span>\r\n        c<\/span>.<\/span>SelfAid<\/span>();<\/span>\r\n        c<\/span>.<\/span>pray<\/span>(<\/span>3<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> java.util.Random<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Cleric<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> hp<\/span> =<\/span> 50<\/span>;<\/span>\r\n    final<\/span> int<\/span> MAX_HP<\/span> =<\/span> 50<\/span>;<\/span>\r\n    int<\/span> mp<\/span> =<\/span> 10<\/span>;<\/span>\r\n    final<\/span> int<\/span> MAX_MP<\/span> =<\/span> 10<\/span>;<\/span>\r\n\r\n    public<\/span> void<\/span> SelfAid<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>this<\/span>.<\/span>name<\/span> +<\/span> \"\u306f\u3001\u30bb\u30eb\u30d5\u30a8\u30a4\u30c9\u3092\u5531\u3048\u305f\"<\/span>);<\/span>\r\n        this<\/span>.<\/span>hp<\/span> =<\/span> this<\/span>.<\/span>MAX_HP<\/span>;<\/span>\r\n        this<\/span>.<\/span>mp<\/span> -=<\/span> 5<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"HP\u304c\u6700\u5927\u307e\u3067\u56de\u5fa9\u3057\u305f\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> int<\/span> pray<\/span>(<\/span>int<\/span> sec<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>this<\/span>.<\/span>name<\/span> +<\/span> \"\u306f\"<\/span> +<\/span> sec<\/span> +<\/span> \"\u79d2\u9593\u5929\u306b\u7948\u3063\u305f\uff01\"<\/span>);<\/span>\r\n\r\n        int<\/span> recover<\/span> =<\/span> new<\/span> Random<\/span>().<\/span>nextInt<\/span>(<\/span>3<\/span>)<\/span> +<\/span> sec<\/span>;<\/span>\r\n\r\n        int<\/span> recoverActual<\/span> =<\/span> Math<\/span>.<\/span>min<\/span>(<\/span>this<\/span>.<\/span>MAX_MP<\/span> -<\/span> this<\/span>.<\/span>mp<\/span>,<\/span> recover<\/span>);<\/span>\r\n\r\n        this<\/span>.<\/span>mp<\/span> +=<\/span> recoverActual<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"MP\u304c\u56de\u5fa9\u3057\u305f\"<\/span> +<\/span> recoverActual<\/span>);<\/span>\r\n        return<\/span> recoverActual<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5404\u79cd\u7c7b\u7684\u673a\u5236<\/h1>\n
\u6784\u9020\u51fd\u6570\u7684\u6761\u4ef6
\n– \u65b9\u6cd5\u540d\u4e0e\u7c7b\u540d\u5b8c\u5168\u76f8\u540c
\n– \u65b9\u6cd5\u58f0\u660e\u4e2d\u6ca1\u6709\u5199\u660e\u8fd4\u56de\u503c\uff08void\u4e5f\u4e0d\u53ef\u4ee5\uff09<\/p>\n
public class \u30af\u30e9\u30b9\u540d {\r\n    \u30af\u30e9\u30b9\u540d() {\r\n        \u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3059\u308b\u51e6\u7406\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u53ea\u6709\u5f53\u7c7b\u4e2d\u6ca1\u6709\u5b9a\u4e49\u4efb\u4f55\u6784\u9020\u51fd\u6570\u65f6\uff0c\u624d\u4f1a\u5728\u7f16\u8bd1\u65f6\u81ea\u52a8\u6dfb\u52a0\u4e00\u4e2a\u201c\u65e0\u53c2\u6570\u3001\u65e0\u5904\u7406\u5185\u5bb9\u201d\u7684\u6784\u9020\u51fd\u6570\u3002<\/p>\n
public<\/span> class<\/span> Thief<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> hp<\/span>;<\/span>\r\n    int<\/span> mp<\/span>;<\/span>\r\n\r\n    \/\/new Thief(\"\u30cf\u30eb\u30bf\", 40, 5)\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u5834\u5408\u306e\u8a18\u8ff0<\/span>\r\n    public<\/span> Thief<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> hp<\/span>,<\/span> int<\/span> mp<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>hp<\/span> =<\/span> hp<\/span>;<\/span>\r\n        this<\/span>.<\/span>mp<\/span> =<\/span> mp<\/span>;<\/span>\r\n    }<\/span>\r\n    \/\/new Thief(\"\u30cf\u30eb\u30bf\", 40)\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u5834\u5408\u306e\u8a18\u8ff0\uff08MP\u306f5\u3067\u521d\u671f\u5316\uff09<\/span>\r\n    public<\/span> Thief<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> hp<\/span>)<\/span> {<\/span>\r\n        this<\/span>(<\/span>name<\/span>,<\/span> hp<\/span>,<\/span> 5<\/span>);<\/span>\r\n    }<\/span>\r\n    \/\/new Thief(\"\u30cf\u30eb\u30bf\")\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u5834\u5408\u306e\u8a18\u8ff0\uff08HP\u306f40,MP\u306f5\u3067\u521d\u671f\u5316\uff09<\/span>\r\n    public<\/span> Thief<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        this<\/span>(<\/span>name<\/span>,<\/span> 40<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    \/\/new Thief()\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\uff08\u540d\u524d\u306e\u7121\u3044Thief\u306f\u5b58\u5728\u3055\u305b\u306a\u3044\uff09<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u4f7f\u7528\u4e0a\u8ff0\u7684Thief\u7c7b\u6765\u7f16\u5199\u7a0b\u5e8f\u3002<\/p>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> heal<\/span>(<\/span>int<\/span> hp<\/span>)<\/span> {<\/span>\r\n        hp<\/span> +=<\/span> 10<\/span>;<\/span>\r\n    }<\/span>\r\n    public<\/span> static<\/span> void<\/span> heal<\/span>(<\/span>Thief<\/span> thief<\/span>)<\/span> {<\/span>\r\n        thief<\/span>.<\/span>hp<\/span> +=<\/span> 10<\/span>;<\/span>\r\n    }<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        int<\/span> baseHp<\/span>  =<\/span> 25<\/span>;<\/span>\r\n        Thief<\/span> t<\/span> =<\/span> new<\/span> Thief<\/span>(<\/span>\"\u30cf\u30eb\u30bf\"<\/span>,<\/span> baseHp<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>baseHp<\/span> +<\/span> \"\uff1a\"<\/span> +<\/span> t<\/span>.<\/span>hp<\/span>);<\/span>\r\n        heal<\/span>(<\/span>baseHp<\/span>);<\/span>\r\n        heal<\/span>(<\/span>t<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>baseHp<\/span> +<\/span> \"\uff1a\"<\/span> +<\/span> t<\/span>.<\/span>hp<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    \/\/\u5b9f\u884c\u7d50\u679c<\/span>\r\n\/\/  25\uff1a25\uff08\u5f15\u6570\u304cint\u578b\u306e\u5834\u5408\u3001\u5909\u6570baseHp\u306e\u5024\u304c\u5f15\u6570hp\u306b\u30b3\u30d4\u30fc\u3055\u308c\u308b\u5024\u6e21\u3057\u306e\u305f\u3081\uff09<\/span>\r\n\/\/  25\uff1a35\uff08\u5f15\u6570\u304c\u30af\u30e9\u30b9\u578b\u306e\u5834\u5408\u3001\u5909\u6570t\u304c\u793a\u3059\u30a2\u30c9\u30ec\u30b9\u304c\u5f15\u6570thief\u306b\u30b3\u30d4\u30fc\u3055\u308c\u308b\u53c2\u7167\u6e21\u3057\u306b\u3088\u308a\u3001t.hp\u3068thief.hp\u306f\u30e1\u30e2\u30ea\u306e\u540c\u3058\u5834\u6240\u3092\u6307\u3059\u3053\u3068\u306b\u306a\u308b\u305f\u3081\uff09<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7ee7\u627f<\/h1>\n
\/\/\u30ad\u30ce\u30b3\u30e2\u30f3\u30b9\u30bf\u30fc\u306e\u30af\u30e9\u30b9\u3092\u4f5c\u6210<\/span>\r\npublic<\/span> class<\/span> Matango<\/span> {<\/span>\r\n    int<\/span> hp<\/span> =<\/span> 50<\/span>;<\/span>\r\n    char<\/span> suffix<\/span>;<\/span>\r\n    public<\/span> Matango<\/span>(<\/span>char<\/span> suffix<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>suffix<\/span> =<\/span> suffix<\/span>;<\/span>\r\n    }<\/span>\r\n    public<\/span> void<\/span> attack<\/span>(<\/span>Hero<\/span> h<\/span>)<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u30ad\u30ce\u30b3\u306e\u653b\u6483 \"<\/span> +<\/span> this<\/span>.<\/span>suffix<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"10\u306e\u30c0\u30e1\u30fc\u30b8\"<\/span>);<\/span>\r\n        h<\/span>.<\/span>hp<\/span> -=<\/span> 10<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
public<\/span> class<\/span> PoisonMatango<\/span> extends<\/span> Matango<\/span> {<\/span>\r\n    int<\/span> poisonCount<\/span> =<\/span> 5<\/span>;<\/span>\r\n    public<\/span> PoisonMatango<\/span>(<\/span>char<\/span> suffix<\/span>)<\/span> {<\/span>\r\n        super<\/span>(<\/span>suffix<\/span>);<\/span>\r\n    }<\/span>\r\n    public<\/span> void<\/span> attack<\/span>(<\/span>Hero<\/span> h<\/span>)<\/span> {<\/span>\r\n        super<\/span>.<\/span>attack<\/span>(<\/span>h<\/span>);<\/span>\r\n        if<\/span> (<\/span>this<\/span>.<\/span>poisonCount<\/span> ><\/span> 0<\/span>)<\/span> {<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u3055\u3089\u306b\u80de\u5b50\u3092\u3070\u3089\u307e\u3044\u305f\"<\/span>);<\/span>\r\n            int<\/span> dmg<\/span> =<\/span> h<\/span>.<\/span>hp<\/span> \/<\/span> 5<\/span>;<\/span>\r\n            h<\/span>.<\/span>hp<\/span> -=<\/span> dmg<\/span>;<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>dmg<\/span> +<\/span> \"\u30dd\u30a4\u30f3\u30c8\u306e\u30c0\u30e1\u30fc\u30b8\"<\/span>);<\/span>\r\n            this<\/span>.<\/span>poisonCount<\/span>--;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
public<\/span> class<\/span> Hero<\/span> {<\/span>\r\n    String<\/span> name<\/span>;<\/span>\r\n    int<\/span> hp<\/span> =<\/span> 150<\/span>;<\/span>\r\n    public<\/span> Hero<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u540d\u524d\u306f\"<\/span> +<\/span> this<\/span>.<\/span>name<\/span> +<\/span> \"\u3001\u4f53\u529b\u306f \"<\/span> +<\/span> this<\/span>.<\/span>hp<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
public<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Hero<\/span> h<\/span> =<\/span> new<\/span> Hero<\/span>(<\/span>\"\u30d2\u30ed\u30bf\"<\/span>);<\/span>\r\n        Hero<\/span> h2<\/span> =<\/span> new<\/span> Hero<\/span>(<\/span>\"\u30d2\u30ed\u30bf2\"<\/span>);<\/span>\r\n\r\n        Matango<\/span> m1<\/span> =<\/span> new<\/span> Matango<\/span>(<\/span>'A'<\/span>);<\/span>\r\n        m1<\/span>.<\/span>appear<\/span>();<\/span>\r\n        m1<\/span>.<\/span>attack<\/span>(<\/span>h<\/span>);<\/span>\r\n\r\n        PoisonMatango<\/span> pm1<\/span> =<\/span> new<\/span> PoisonMatango<\/span>(<\/span>'A'<\/span>);<\/span>\r\n        pm1<\/span>.<\/span>appear<\/span>();<\/span>\r\n        pm1<\/span>.<\/span>attack<\/span>(<\/span>h2<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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