{"id":606,"date":"2024-11-08T00:53:58","date_gmt":"2024-11-07T16:53:58","guid":{"rendered":"https:\/\/www.ikaros.love\/?p=606"},"modified":"2024-11-08T00:53:58","modified_gmt":"2024-11-07T16:53:58","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3java%e5%80%bc%e4%bc%a0%e9%80%92%e5%92%8c%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/www.ikaros.love\/?p=606","title":{"rendered":"\u6df1\u5165\u7406\u89e3java\u503c\u4f20\u9012\u548c\u5f15\u7528\u4f20\u9012"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u642c\u8fd0\u81ea<\/p>\n\n\n\n

Java\u5230\u5e95\u662f\u503c\u4f20\u9012\u8fd8\u662f\u5f15\u7528\u4f20\u9012\uff1f | \u4e8c\u54e5\u7684Java\u8fdb\u9636\u4e4b\u8def<\/a><\/p>\n\n\n\n

C \u8bed\u8a00<\/a>\u662f\u5f88\u591a\u7f16\u7a0b\u8bed\u8a00\u7684\u6bcd\u80ce\uff0c\u5305\u62ec Java\uff0c\u90a3\u4e48\u5bf9\u4e8e C \u8bed\u8a00\u6765\u8bf4\uff0c\u6240\u6709\u7684\u65b9\u6cd5\u53c2\u6570\u90fd\u662f\u201c\u901a\u8fc7\u503c\u201d\u4f20\u9012\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f20\u9012\u7ed9\u88ab\u8c03\u7528\u65b9\u6cd5\u7684\u53c2\u6570\u503c\u5b58\u653e\u5728\u4e34\u65f6\u53d8\u91cf\u4e2d\uff0c\u800c\u4e0d\u662f\u5b58\u653e\u5728\u539f\u6765\u7684\u53d8\u91cf\u4e2d\u3002\u8fd9\u5c31\u610f\u5473\u7740\uff0c\u88ab\u8c03\u7528\u7684\u65b9\u6cd5\u4e0d\u80fd\u4fee\u6539\u8c03\u7528\u65b9\u6cd5\u4e2d\u53d8\u91cf\u7684\u503c\uff0c\u800c\u53ea\u80fd\u4fee\u6539\u5176\u79c1\u6709\u53d8\u91cf\u7684\u4e34\u65f6\u526f\u672c\u7684\u503c\u3002<\/p>\n\n\n\n

Java \u7ee7\u627f\u4e86 C \u8bed\u8a00\u8fd9\u4e00\u7279\u6027\uff0c\u56e0\u6b64 Java \u662f\u6309\u7167\u503c\u6765\u4f20\u9012\u7684\u3002<\/p>\n\n\n\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5fc5\u987b\u5f97\u641e\u6e05\u695a\uff0c\u5230\u5e95\u4ec0\u4e48\u662f\u503c\u4f20\u9012\uff08pass by value\uff09\uff0c\u4ec0\u4e48\u662f\u5f15\u7528\u4f20\u9012\uff08pass by reference\uff09\uff0c\u5426\u5219\uff0c\u8ba8\u8bba Java \u5230\u5e95\u662f\u503c\u4f20\u9012\u8fd8\u662f\u5f15\u7528\u4f20\u9012\u5c31\u663e\u5f97\u6beb\u65e0\u610f\u4e49\u3002<\/p>\n\n\n\n

\u5f53\u4e00\u4e2a\u53c2\u6570\u6309\u7167\u503c\u7684\u65b9\u5f0f\u5728\u4e24\u4e2a\u65b9\u6cd5\u4e4b\u95f4\u4f20\u9012\u65f6\uff0c\u8c03\u7528\u8005\u548c\u88ab\u8c03\u7528\u8005\u5176\u5b9e\u662f\u7528\u7684\u4e24\u4e2a\u4e0d\u540c\u7684\u53d8\u91cf\u2014\u2014\u88ab\u8c03\u7528\u8005\u4e2d\u7684\u53d8\u91cf\uff08\u539f\u59cb\u503c\uff09\u662f\u8c03\u7528\u8005\u4e2d\u53d8\u91cf\u7684\u4e00\u4efd\u62f7\u8d1d\uff0c\u5bf9\u5b83\u4eec\u5f53\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u53d8\u91cf\u4fee\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u5230\u53e6\u5916\u4e00\u4e2a\u53d8\u91cf\uff0c\u636e\u8bf4 Fortran \u8bed\u8a00\u662f\u901a\u8fc7\u5f15\u7528\u4f20\u9012\u7684\u3002<\/p>\n\n\n\n

\u201cFortran \u8bed\u8a00\uff1f\u201d\u4e09\u59b9\u7741\u5927\u4e86\u53cc\u773c\uff0c\u4f3c\u4e4e\u542c\u89c1\u4e86\u4ec0\u4e48\u65b0\u7684\u540d\u8bcd\u3002<\/p>\n\n\n\n

\u201c\u662f\u7684\uff0cFortran \u8bed\u8a00\uff0c1957 \u5e74\u7531 IBM \u516c\u53f8\u5f00\u53d1\uff0c\u662f\u4e16\u754c\u4e0a\u7b2c\u4e00\u4e2a\u88ab\u6b63\u5f0f\u91c7\u7528\u5e76\u6d41\u4f20\u81f3\u4eca\u7684\u9ad8\u7ea7\u7f16\u7a0b\u8bed\u8a00\u3002\u201d<\/p>\n\n\n\n

\u5f53\u4e00\u4e2a\u53c2\u6570\u6309\u7167\u5f15\u7528\u4f20\u9012\u7684\u65b9\u5f0f\u5728\u4e24\u4e2a\u65b9\u6cd5\u4e4b\u95f4\u4f20\u9012\u65f6\uff0c\u8c03\u7528\u8005\u548c\u88ab\u8c03\u7528\u8005\u5176\u5b9e\u7528\u7684\u662f\u540c\u4e00\u4e2a\u53d8\u91cf\uff0c\u5f53\u8be5\u53d8\u91cf\u88ab\u4fee\u6539\u65f6\uff0c\u53cc\u65b9\u90fd\u662f\u53ef\u89c1\u7684\u3002<\/p>\n\n\n\n

\u201c\u6211\u4eec\u4e4b\u6240\u4ee5\u5bb9\u6613\u641e\u4e0d\u6e05\u695a Java \u5230\u5e95\u662f\u503c\u4f20\u9012\u8fd8\u662f\u5f15\u7528\u4f20\u9012\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a Java \u4e2d\u7684\u4e24\u7c7b\u6570\u636e\u7c7b\u578b\u7684\u53eb\u6cd5\u5bb9\u6613\u5f15\u53d1\u8bef\u4f1a\uff0c\u6bd4\u5982\u8bf4 int \u662f\u57fa\u672c\u7c7b\u578b\uff0c\u8bf4\u5b83\u662f\u503c\u4f20\u9012\u7684\uff0c\u6211\u4eec\u5c31\u5f88\u5bb9\u6613\u7406\u89e3\uff1b\u4f46\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b\uff0c\u6bd4\u5982\u8bf4 String\uff0c\u8bf4\u5b83\u4e5f\u662f\u503c\u4f20\u9012\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u5bb9\u6613\u5f04\u4e0d\u660e\u767d\u3002\u201d<\/p>\n\n\n\n

\u6211\u4eec\u6765\u770b\u770b\u57fa\u672c\u6570\u636e\u7c7b\u578b\u548c\u5f15\u7528\u6570\u636e\u7c7b\u578b\u4e4b\u95f4\u7684\u5dee\u522b\u3002<\/p>\n\n\n\n

int age = 18;\nString name = \"\u4e8c\u54e5\";<\/code><\/pre>\n\n\n\n
age \u662f\u57fa\u672c\u7c7b\u578b\uff0c\u503c\u5c31\u4fdd\u5b58\u5728\u53d8\u91cf\u4e2d\uff0c\u800c name \u662f\u5f15\u7528\u7c7b\u578b\uff0c\u53d8\u91cf\u4e2d\u4fdd\u5b58\u7684\u662f\u5bf9\u8c61\u7684\u5730\u5740\u3002\u4e00\u822c\u79f0\u8fd9\u79cd\u53d8\u91cf\u4e3a\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u5f15\u7528\u5b58\u653e\u5728\u6808\u4e2d\uff0c\u800c\u5bf9\u8c61\u5b58\u653e\u5728\u5806\u4e2d\u3002<\/p>\n\n\n\n
\u8fd9\u91cc\u8bf4\u7684\u6808\u548c\u5806\uff0c\u662f\u6307\u5185\u5b58\u4e2d\u7684\u4e00\u5757\u533a\u57df\uff0c\u548c\u6570\u636e\u7ed3\u6784\u4e2d\u7684\u6808\u548c\u5806\u4e0d\u4e00\u6837\u3002\u6808\u662f\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u5206\u914d\u91ca\u653e\u7684\uff0c\u6240\u4ee5\u9002\u5408\u5b58\u653e\u7f16\u8bd1\u671f\u5c31\u786e\u5b9a\u751f\u547d\u5468\u671f\u7684\u6570\u636e\uff1b\u800c\u5806\u4e2d\u5b58\u653e\u7684\u6570\u636e\uff0c\u7f16\u8bd1\u5668\u662f\u4e0d\u9700\u8981\u77e5\u9053\u751f\u547d\u5468\u671f\u7684\uff0c\u521b\u5efa\u540e\u7684\u56de\u6536\u5de5\u4f5c\u7531\u5783\u573e\u6536\u96c6\u5668\u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n
\u201c\u753b\u5e45\u56fe\u3002\u201d<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u5f53\u7528 = \u8d4b\u503c\u8fd0\u7b97\u7b26\u6539\u53d8 age \u548c name \u7684\u503c\u65f6\u3002<\/p>\n\n\n\n
age = 16;\nname = \"\u4e09\u59b9\";<\/code><\/pre>\n\n\n\n
\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b age\uff0c\u8d4b\u503c\u8fd0\u7b97\u7b26\u4f1a\u76f4\u63a5\u6539\u53d8\u53d8\u91cf\u7684\u503c\uff0c\u539f\u6765\u7684\u503c\u88ab\u8986\u76d6\u3002<\/p>\n\n\n\n
\u5bf9\u4e8e\u5f15\u7528\u7c7b\u578b name\uff0c\u8d4b\u503c\u8fd0\u7b97\u7b26\u4f1a\u6539\u53d8\u5bf9\u8c61\u5f15\u7528\u4e2d\u4fdd\u5b58\u7684\u5730\u5740\uff0c\u539f\u6765\u7684\u5730\u5740\u88ab\u8986\u76d6\uff0c\u4f46\u539f\u6765\u7684\u5bf9\u8c61\u4e0d\u4f1a\u88ab\u8986\u76d6\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u201c\u4e09\u59b9\uff0c\u6ce8\u610f\u542c\uff0c\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u8bf4\u8bf4\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u53c2\u6570\u4f20\u9012\u3002\u201d<\/p>\n\n\n\n
Java \u6709 8 \u79cd\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u5206\u522b\u662f int\u3001long\u3001byte\u3001short\u3001float\u3001double \u3001char \u548c boolean\uff0c\u5c31\u62ff int \u7c7b\u578b\u6765\u4e3e\u4f8b\u5427\u3002<\/p>\n\n\n\n
class PrimitiveTypeDemo {\n    public static void main(String[] args) {\n        int age = 18;\n        modify(age);\n        System.out.println(age);\n    }\n\n    private static void modify(int age1) {\n        age1 = 30;\n    }\n}<\/code><\/pre>\n\n\n\n
1\uff09main()<\/code> \u65b9\u6cd5\u4e2d\u7684 age \u4e3a\u57fa\u672c\u7c7b\u578b\uff0c\u6240\u4ee5\u5b83\u7684\u503c 18 \u76f4\u63a5\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/p>\n\n\n\n
2\uff09\u8c03\u7528 modify()<\/code> \u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u5c06\u4f1a\u628a age \u7684\u503c 18 \u590d\u5236\u7ed9\u5f62\u53c2 age1\u3002<\/p>\n\n\n\n
3\uff09modify()<\/code> \u65b9\u6cd5\u4e2d\uff0c\u5bf9 age1 \u505a\u51fa\u4e86\u4fee\u6539\u3002<\/p>\n\n\n\n
4\uff09\u56de\u5230 main()<\/code> \u65b9\u6cd5\u4e2d\uff0cage \u7684\u503c\u4ecd\u7136\u4e3a 18\uff0c\u5e76\u6ca1\u6709\u53d1\u751f\u6539\u53d8\u3002<\/p>\n\n\n\n
\u5982\u679c\u6211\u4eec\u60f3\u8ba9 age \u7684\u503c\u53d1\u751f\u6539\u53d8\uff0c\u5c31\u9700\u8981\u8fd9\u6837\u505a\u3002<\/p>\n\n\n\n
class PrimitiveTypeDemo1 {\n    public static void main(String[] args) {\n        int age = 18;\n        age = modify(age);\n        System.out.println(age);\n    }\n\n    private static int modify(int age1) {\n        age1 = 30;\n        return age1;\n    }\n}<\/code><\/pre>\n\n\n\n
\u7b2c\u4e00\uff0c\u8ba9 modify()<\/code> \u65b9\u6cd5\u6709\u8fd4\u56de\u503c\uff1b<\/p>\n\n\n\n
\u7b2c\u4e8c\uff0c\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\u91cd\u65b0\u5bf9 age \u8fdb\u884c\u8d4b\u503c\u3002<\/p>\n\n\n\n
\u201c\u597d\u4e86\uff0c\u518d\u6765\u8bf4\u8bf4\u5f15\u7528\u7c7b\u578b\u7684\u53c2\u6570\u4f20\u9012\u3002\u201d<\/p>\n\n\n\n
\u5c31\u4ee5 String \u4e3a\u4f8b\u5427\u3002<\/p>\n\n\n\n
class ReferenceTypeDemo {\n    public static void main(String[] args) {\n        String name = \"\u4e8c\u54e5\";\n        modify(name);\n        System.out.println(name);\n    }\n\n    private static void modify(String name1) {\n        name1 = \"\u4e09\u59b9\";\n    }\n}<\/code><\/pre>\n\n\n\n
\u5728\u8c03\u7528\u00a0modify()<\/code>\u00a0\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u5f62\u53c2 name1 \u590d\u5236\u4e86 name \u7684\u5730\u5740\uff0c\u6307\u5411\u7684\u662f\u5806\u4e2d\u201c\u4e8c\u54e5\u201d\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u5f53\u00a0modify()<\/code>\u00a0\u65b9\u6cd5\u8c03\u7528\u7ed3\u675f\u540e\uff0c\u6539\u53d8\u4e86\u5f62\u53c2 name1 \u7684\u5730\u5740\uff0c\u4f46\u00a0main()<\/code>\u00a0\u65b9\u6cd5\u4e2d name \u5e76\u6ca1\u6709\u53d1\u751f\u6539\u53d8\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u603b\u7ed3\uff1a<\/p>\n\n\n\n
    \n
  • Java \u4e2d\u7684\u53c2\u6570\u4f20\u9012\u662f\u6309\u503c\u4f20\u9012\u7684\u3002<\/li>\n\n\n\n
  • \u5982\u679c\u53c2\u6570\u662f\u57fa\u672c\u7c7b\u578b\uff0c\u4f20\u9012\u7684\u662f\u57fa\u672c\u7c7b\u578b\u7684\u5b57\u9762\u91cf\u503c\u7684\u62f7\u8d1d\u3002<\/li>\n\n\n\n
  • \u5982\u679c\u53c2\u6570\u662f\u5f15\u7528\u7c7b\u578b\uff0c\u4f20\u9012\u7684\u662f\u5f15\u7528\u7684\u5bf9\u8c61\u5728\u5806\u4e2d\u5730\u5740\u7684\u62f7\u8d1d\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    \u642c\u8fd0\u81ea Java\u5230\u5e95\u662f\u503c\u4f20\u9012\u8fd8\u662f...<\/p>\n","protected":false},"author":1,"featured_media":607,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[147,174,175],"_links":{"self":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts\/606"}],"collection":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=606"}],"version-history":[{"count":1,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts\/606\/revisions"}],"predecessor-version":[{"id":612,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/posts\/606\/revisions\/612"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=\/wp\/v2\/media\/607"}],"wp:attachment":[{"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ikaros.love\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}