{"id":240,"date":"2026-07-15T12:25:04","date_gmt":"2026-07-15T04:25:04","guid":{"rendered":"http:\/\/ssjava.xyz\/?p=240"},"modified":"2026-07-16T10:54:08","modified_gmt":"2026-07-16T02:54:08","slug":"08-%e6%96%b9%e6%b3%95%e8%af%a6%e8%a7%a3%ef%bc%9a%e5%ae%9a%e4%b9%89%e3%80%81%e9%87%8d%e8%bd%bd%e3%80%81%e9%80%92%e5%bd%92%e4%b8%8e%e5%80%bc%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/ssjava.xyz\/index.php\/2026\/07\/15\/08-%e6%96%b9%e6%b3%95%e8%af%a6%e8%a7%a3%ef%bc%9a%e5%ae%9a%e4%b9%89%e3%80%81%e9%87%8d%e8%bd%bd%e3%80%81%e9%80%92%e5%bd%92%e4%b8%8e%e5%80%bc%e4%bc%a0%e9%80%92\/","title":{"rendered":"08. \u65b9\u6cd5\u8be6\u89e3\uff1a\u5b9a\u4e49\u3001\u91cd\u8f7d\u3001\u9012\u5f52\u4e0e\u503c\u4f20\u9012"},"content":{"rendered":"\n

\u5f00\u7bc7\u5f15\u5b50\u2014\u2014\u4e3a\u4ec0\u4e48\u8981\u6709\u65b9\u6cd5\uff1f<\/h2>\n\n\n\n

\u6211\u4eec\u7684\u4ee3\u7801\u4e00\u76f4\u5728 main<\/code> \u65b9\u6cd5\u91cc\u585e\uff0c\u4f46\u6240\u6709\u903b\u8f91\u90fd\u6324\u5728\u4e00\u8d77\u662f\u4ec0\u4e48\u4f53\u9a8c\uff1f<\/p>\n\n\n\n

public static void main(String[] args) {\n    \/\/ 1. \u8f93\u5165\u5b66\u751f\u6210\u7ee9\n    System.out.println(\"\u8bf7\u8f93\u5165\u5b66\u751f\u4fe1\u606f...\");\n    \/\/ 2. \u8ba1\u7b97\u603b\u6210\u7ee9  \n    int sum = 0;\n    \/\/ 50 \u884c\u8ba1\u7b97...\n    \/\/ 3. \u8ba1\u7b97\u5e73\u5747\u5206\n    \/\/ 20 \u884c\u8ba1\u7b97...\n    \/\/ 4. \u6392\u5e8f\n    \/\/ 30 \u884c\u6392\u5e8f...\n    \/\/ 5. \u6253\u5370\u7ed3\u679c\n    \/\/ 10 \u884c\u6253\u5370...\n    \/\/ main \u65b9\u6cd5 100+ \u884c\uff0c\u770b\u5f97\u773c\u775b\u82b1\n}<\/code><\/pre>\n\n\n\n
\u8fd9\u5c31\u662f\u6ca1\u6709\u65b9\u6cd5\u7684\u540e\u679c\u2014\u2014\u6240\u6709\u4ee3\u7801\u5e73\u94fa\u5728\u4e00\u5806\uff0c\u53ef\u8bfb\u6027\u5dee\u3001\u6ca1\u6cd5\u590d\u7528\u3001\u6539\u4e00\u4e2a\u5730\u65b9\u8981\u901a\u8bfb\u5168\u6587<\/strong>\u3002\u65b9\u6cd5\u5c31\u662f\u7ed9\u4e00\u6bb5\u4ee3\u7801\u53d6\u4e2a\u540d\u5b57\uff0c\u9700\u8981\u7684\u65f6\u5019\u8c03\u7528<\/strong>\u5c31\u884c\u3002<\/p>\n\n\n\n
\u4e00\u3001\u65b9\u6cd5\u7684\u5b9a\u4e49<\/h2>\n\n\n\n
1.1 \u57fa\u672c\u8bed\u6cd5<\/h2>\n\n\n\n
[\u4fee\u9970\u7b26] \u8fd4\u56de\u503c\u7c7b\u578b \u65b9\u6cd5\u540d([\u53c2\u6570\u7c7b\u578b \u53c2\u6570\u540d, ...]) {\n    \/\/ \u65b9\u6cd5\u4f53\n    return \u8fd4\u56de\u503c;  \/\/ \u5982\u679c\u8fd4\u56de\u503c\u7c7b\u578b\u4e0d\u662f void\uff0c\u5fc5\u987b return\n}<\/code><\/pre>\n\n\n\n
\u6765\u4e00\u4e2a\u6700\u7cbe\u7b80\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n
public class MethodDemo {\n    public static void main(String[] args) {\n        \/\/ \u8c03\u7528\u65b9\u6cd5\n        int result = add(10, 20);\n        System.out.println(\"\u7ed3\u679c\uff1a\" + result);  \/\/ 30\n    }\n    \n    \/\/ \u5b9a\u4e49\u4e00\u4e2a\u4e24\u6570\u76f8\u52a0\u7684\u65b9\u6cd5\n    public static int add(int a, int b) {\n        return a + b;\n    }\n}<\/code><\/pre>\n\n\n\n
1.2 \u65b9\u6cd5\u7684\u7ed3\u6784\u62c6\u89e3<\/h2>\n\n\n\n
\u7ec4\u6210\u90e8\u5206<\/th>\u8bf4\u660e<\/th>\u4f8b\u5b50<\/th><\/tr><\/thead>
\u4fee\u9970\u7b26<\/strong><\/td>\u63a7\u5236\u8bbf\u95ee\u6743\u9650\u548c\u7279\u6027<\/td>public static<\/code><\/td><\/tr>
\u8fd4\u56de\u503c\u7c7b\u578b<\/strong><\/td>\u65b9\u6cd5\u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b<\/td>int<\/code>\u3001String<\/code>\u3001void<\/code><\/td><\/tr>
\u65b9\u6cd5\u540d<\/strong><\/td>\u9075\u5faa\u5c0f\u9a7c\u5cf0\u547d\u540d<\/td>add<\/code>\u3001getMax<\/code><\/td><\/tr>
\u53c2\u6570\u5217\u8868<\/strong><\/td>\u8c03\u7528\u65f6\u4f20\u5165\u7684\u6570\u636e<\/td>(int a, int b)<\/code><\/td><\/tr>
\u65b9\u6cd5\u4f53<\/strong><\/td>\u82b1\u62ec\u53f7\u91cc\u7684\u4ee3\u7801\u903b\u8f91<\/td>{ return a + b; }<\/code><\/td><\/tr>
return<\/strong><\/td>\u7ed3\u675f\u65b9\u6cd5\u5e76\u8fd4\u56de\u503c<\/td>return result;<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
1.3 \u4e09\u79cd\u5e38\u89c1\u65b9\u6cd5\u6a21\u5f0f<\/h2>\n\n\n\n
\/\/ 1. \u6709\u53c2\u6570\u6709\u8fd4\u56de\u503c\npublic static int max(int a, int b) {\n    return a > b ? a : b;\n}\n\n\/\/ 2. \u6709\u53c2\u6570\u65e0\u8fd4\u56de\u503c\uff08void\uff09\npublic static void printInfo(String name, int age) {\n    System.out.println(\"\u59d3\u540d\uff1a\" + name + \"\uff0c\u5e74\u9f84\uff1a\" + age);\n    \/\/ \u6ca1\u6709 return \u4e5f\u53ef\u4ee5\uff0c\u6709\u7684\u8bdd return; \u53ea\u662f\u63d0\u524d\u7ed3\u675f\n}\n\n\/\/ 3. \u65e0\u53c2\u6570\u65e0\u8fd4\u56de\u503c\npublic static void showMenu() {\n    System.out.println(\"1. \u6dfb\u52a0\u5b66\u751f\");\n    System.out.println(\"2. \u67e5\u8be2\u6210\u7ee9\");\n    System.out.println(\"3. \u9000\u51fa\u7cfb\u7edf\");\n}<\/code><\/pre>\n\n\n\n
\u4e00\u53e5\u8bdd\u8bb0\uff1a<\/strong>void<\/code> \u8868\u793a”\u53ea\u7ba1\u505a\u4e0d\u8fd4\u56de”\uff0c\u5176\u4ed6\u7c7b\u578b\u90fd”\u505a\u5b8c\u4e86\u7ed9\u6211\u4e2a\u7ed3\u679c”\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u65b9\u6cd5\u7684\u91cd\u8f7d\uff08Overload\uff09<\/h2>\n\n\n\n
2.1 \u4ec0\u4e48\u662f\u91cd\u8f7d\uff1f<\/h2>\n\n\n\n
\u540c\u4e00\u4e2a\u7c7b\u4e2d\uff0c\u65b9\u6cd5\u540d\u76f8\u540c\uff0c\u4f46\u53c2\u6570\u5217\u8868\u4e0d\u540c<\/strong>\u3002\u8fd9\u5c31\u662f\u91cd\u8f7d\u3002<\/p>\n\n\n\n
\u6700\u7ecf\u5178\u7684\u91cd\u8f7d\u4f8b\u5b50\uff1a<\/p>\n\n\n\n
public class OverloadDemo {\n    \/\/ \u4e24\u4e2a int \u76f8\u52a0\n    public static int add(int a, int b) {\n        return a + b;\n    }\n    \n    \/\/ \u4e09\u4e2a int \u76f8\u52a0\n    public static int add(int a, int b, int c) {\n        return a + b + c;\n    }\n    \n    \/\/ double \u76f8\u52a0\n    public static double add(double a, double b) {\n        return a + b;\n    }\n    \n    public static void main(String[] args) {\n        System.out.println(add(1, 2));        \/\/ \u8c03\u7528\u7248\u672c1\n        System.out.println(add(1, 2, 3));     \/\/ \u8c03\u7528\u7248\u672c2  \n        System.out.println(add(1.5, 2.5));    \/\/ \u8c03\u7528\u7248\u672c3\n    }\n}<\/code><\/pre>\n\n\n\n
2.2 \u91cd\u8f7d\u7684\u89c4\u5219<\/h2>\n\n\n\n
    \n
  • \u65b9\u6cd5\u540d\u5fc5\u987b\u76f8\u540c<\/strong>\u2014\u2014\u4e0d\u7136\u4e0d\u53eb\u91cd\u8f7d<\/li>\n\n\n\n
  • \u53c2\u6570\u5217\u8868\u5fc5\u987b\u4e0d\u540c<\/strong>\u2014\u2014\u53ef\u4ee5\u662f\u7c7b\u578b\u4e0d\u540c\u3001\u4e2a\u6570\u4e0d\u540c\u3001\u987a\u5e8f\u4e0d\u540c<\/li>\n\n\n\n
  • \u4e0e\u8fd4\u56de\u503c\u7c7b\u578b\u65e0\u5173<\/strong>\u2014\u2014\u53ea\u6709\u8fd4\u56de\u503c\u4e0d\u540c\u7684\u8bdd\uff0c\u4e0d\u662f\u91cd\u8f7d\uff0c\u7f16\u8bd1\u62a5\u9519<\/li>\n\n\n\n
  • \u4e0e\u53c2\u6570\u540d\u65e0\u5173<\/strong>\u2014\u2014add(int a)<\/code> \u548c add(int b)<\/code> \u662f\u540c\u4e00\u4e2a\u65b9\u6cd5<\/li>\n<\/ul>\n\n\n\n
    \/\/ \u2705 \u5408\u6cd5\u91cd\u8f7d\nvoid print(int a) {}\nvoid print(double a) {}         \/\/ \u7c7b\u578b\u4e0d\u540c\nvoid print(int a, int b) {}     \/\/ \u4e2a\u6570\u4e0d\u540c\nvoid print(String s, int a) {}  \/\/ \u7c7b\u578b\u548c\u987a\u5e8f\u90fd\u4e0d\u540c\n\n\/\/ \u274c \u4e0d\u662f\u91cd\u8f7d\nint calc(int a) { return a; }\nvoid calc(int b) {}  \/\/ \u7f16\u8bd1\u62a5\u9519\uff1a\u4e0e\u4e0a\u9762\u7684\u65b9\u6cd5\u91cd\u590d<\/code><\/pre>\n\n\n\n
    2.3 \u91cd\u8f7d\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n\n\n\n
    System.out.println()<\/code> \u672c\u8eab\u5c31\u662f\u91cd\u8f7d\u7684\u7edd\u4f73\u4f8b\u5b50\u2014\u2014\u5b83\u91cd\u8f7d\u4e86\u5341\u51e0\u4e2a\u7248\u672c\uff0c\u63a5\u6536\u5404\u79cd\u7c7b\u578b\uff1a<\/p>\n\n\n\n
    System.out.println(100);        \/\/ println(int)\nSystem.out.println(3.14);       \/\/ println(double)\nSystem.out.println(\"Hello\");    \/\/ println(String)\nSystem.out.println(true);       \/\/ println(boolean)\n\/\/ \u5168\u662f\u540c\u4e00\u4e2a\u65b9\u6cd5\u540d\uff0c\u7f16\u8bd1\u5668\u6839\u636e\u5b9e\u53c2\u81ea\u52a8\u5339\u914d<\/code><\/pre>\n\n\n\n
    \u91cd\u8f7d\u8ba9\u6211\u4eec\u53ef\u4ee5\u7528\u540c\u4e00\u4e2a\u540d\u5b57\u63cf\u8ff0\u540c\u4e00\u7c7b\u64cd\u4f5c<\/strong>\uff08\u90fd\u662f”\u6253\u5370”\u3001”\u76f8\u52a0”\uff09\uff0c\u53ea\u662f\u9488\u5bf9\u4e0d\u540c\u7c7b\u578b\u6216\u6570\u91cf\u7684\u53c2\u6570\u63d0\u4f9b\u4e0d\u540c\u5b9e\u73b0\u3002\u8fd9\u662f\u6613\u7528\u6027\u7684\u6838\u5fc3\u3002<\/p>\n\n\n\n
    \u4e09\u3001\u65b9\u6cd5\u7684\u503c\u4f20\u9012\uff08Pass-by-Value\uff09<\/h2>\n\n\n\n
    3.1 Java \u53ea\u6709\u503c\u4f20\u9012<\/h2>\n\n\n\n
    \u8fd9\u662f Java \u65b0\u4eba\u6700\u5bb9\u6613\u641e\u6df7\u7684\u6982\u5ff5\u3002\u7f51\u4e0a\u5173\u4e8e”Java \u5230\u5e95\u662f\u503c\u4f20\u9012\u8fd8\u662f\u5f15\u7528\u4f20\u9012”\u7684\u4e89\u8bba\u53ef\u4ee5\u585e\u6ee1\u4e00\u4e2a\u8bba\u575b\u2014\u2014\u7ed3\u8bba\uff1aJava \u53ea\u6709\u503c\u4f20\u9012<\/strong>\u3002<\/p>\n\n\n\n
    \u5148\u770b\u57fa\u672c\u7c7b\u578b\uff1a<\/p>\n\n\n\n
    public static void main(String[] args) {\n    int x = 10;\n    change(x);\n    System.out.println(x);  \/\/ \u8fd8\u662f 10\uff0c\u4e0d\u662f 100\uff01\n}\n\npublic static void change(int a) {\n    a = 100;  \/\/ \u6539\u7684\u662f a \u7684\u526f\u672c\uff0c\u4e0d\u5f71\u54cd\u5916\u9762\u7684 x\n}<\/code><\/pre>\n\n\n\n
    \u57fa\u672c\u7c7b\u578b\u4f20\u7684\u662f\u503c\u7684\u526f\u672c<\/strong>\uff0c\u65b9\u6cd5\u5185\u90e8\u7684\u4fee\u6539\u4e0d\u5f71\u54cd\u539f\u53d8\u91cf\u3002<\/p>\n\n\n\n
    3.2 \u5f15\u7528\u7c7b\u578b\u7684\u503c\u4f20\u9012<\/h2>\n\n\n\n
    \u5f15\u7528\u7c7b\u578b\u4f20\u7684\u662f”\u5f15\u7528\u7684\u526f\u672c<\/strong>“\uff0c\u542c\u8d77\u6765\u7ed5\uff0c\u770b\u4ee3\u7801\uff1a<\/p>\n\n\n\n
    public static void main(String[] args) {\n    int[] arr = {1, 2, 3};\n    changeArray(arr);\n    System.out.println(Arrays.toString(arr));  \/\/ [99, 2, 3] \u2014\u2014 \u53d8\u4e86\uff01\n}\n\npublic static void changeArray(int[] a) {\n    a[0] = 99;  \/\/ \u901a\u8fc7\u5f15\u7528\u7684\u526f\u672c\u4fee\u6539\u4e86\u540c\u4e00\u4e2a\u5bf9\u8c61\n}<\/code><\/pre>\n\n\n\n
    \u4f46\u5982\u679c\u4f60\u8bd5\u56fe\u8ba9\u5f15\u7528\u6307\u5411\u4e00\u4e2a\u65b0\u5bf9\u8c61\uff1a<\/p>\n\n\n\n
    public static void main(String[] args) {\n    int[] arr = {1, 2, 3};\n    newArray(arr);\n    System.out.println(Arrays.toString(arr));  \/\/ \u8fd8\u662f [1, 2, 3]\uff01\n}\n\npublic static void newArray(int[] a) {\n    a = new int[]{100, 200, 300};  \/\/ \u274c \u6539\u7684\u662f\u526f\u672c\u7684\u6307\u5411\uff0c\u539f\u6570\u7ec4\u4e0d\u53d7\u5f71\u54cd\n}<\/code><\/pre>\n\n\n\n
    \u4e00\u53e5\u8bdd\u603b\u7ed3\uff1a<\/strong>\u4fee\u6539\u53c2\u6570”\u6307\u5411\u7684\u5bf9\u8c61”\u7684\u5185\u5bb9\uff0c\u4f1a\u5f71\u54cd\u5916\u90e8\uff1b\u4fee\u6539\u53c2\u6570”\u6307\u5411\u54ea\u4e2a\u5bf9\u8c61”\uff0c\u4e0d\u5f71\u54cd\u5916\u90e8\u3002<\/p>\n\n\n\n
    \n
    \ud83d\udca1 \u5f53\u5e74\u6211\u5b66\u8fd9\u8282\u7684\u65f6\u5019\uff0c\u89c9\u5f97”\u503c\u4f20\u9012\u548c\u5f15\u7528\u4f20\u9012”\u662f\u4e2a\u8bed\u8a00\u54f2\u5b66\u95ee\u9898\u3002\u540e\u6765\u9762\u8bd5\u5b98\u76f4\u63a5\u95ee\u4e86\u53e5\uff1aJava \u65b9\u6cd5\u7684\u53c2\u6570\u80fd\u6539\u6210\u53e6\u4e00\u4e2a\u5bf9\u8c61\u5417\uff1f\u2014\u2014 \u4e0d\u80fd\u3002\u4e3a\u4ec0\u4e48\uff1f\u503c\u4f20\u9012\u3002\u7b80\u6d01\u660e\u4e86\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n
    \u56db\u3001\u65b9\u6cd5\u7684\u9012\u5f52<\/h2>\n\n\n\n
    4.1 \u9012\u5f52\u662f\u4ec0\u4e48<\/h2>\n\n\n\n
    \u9012\u5f52\u5c31\u662f\u65b9\u6cd5\u81ea\u5df1\u8c03\u81ea\u5df1\u3002<\/strong>\u542c\u8d77\u6765\u50cf\u6b7b\u5faa\u73af\uff0c\u4f46\u5173\u952e\u662f\uff1a\u6bcf\u6b21\u8c03\u7528\u90fd\u8ba9\u95ee\u9898\u89c4\u6a21\u7f29\u5c0f\uff0c\u6700\u7ec8\u5230\u8fbe\u4e00\u4e2a”\u53ef\u4ee5\u76f4\u63a5\u89e3\u51b3”\u7684\u7ec8\u6b62\u6761\u4ef6\u3002<\/p>\n\n\n\n
    4.2 \u7ecf\u5178\u6848\u4f8b\uff1a\u8ba1\u7b97\u9636\u4e58<\/h2>\n\n\n\n
    \/\/ 5! = 5 \u00d7 4 \u00d7 3 \u00d7 2 \u00d7 1 = 120\n\/\/ \u6570\u5b66\u5b9a\u4e49\uff1an! = n * (n-1)!, \u4e14 0! = 1, 1! = 1\n\npublic static int factorial(int n) {\n    \/\/ \u7ec8\u6b62\u6761\u4ef6\uff08\u6838\u5fc3\uff01\u6ca1\u6709\u5b83\u5c31\u4f1a StackOverflow\uff09\n    if (n == 0 || n == 1) {\n        return 1;\n    }\n    \/\/ \u9012\u5f52\u6b65\u9aa4\uff1a\u95ee\u9898\u89c4\u6a21\u7f29\u5c0f\n    return n * factorial(n - 1);\n}\n\n\/\/ \u8c03\u7528\nSystem.out.println(factorial(5));  \/\/ 120<\/code><\/pre>\n\n\n\n
    \u6267\u884c\u8fc7\u7a0b\u62c6\u89e3\uff1a<\/strong><\/p>\n\n\n\n
    factorial(5)\n\u2192 5 * factorial(4)\n\u2192 5 * 4 * factorial(3)\n\u2192 5 * 4 * 3 * factorial(2)\n\u2192 5 * 4 * 3 * 2 * factorial(1)\n\u2192 5 * 4 * 3 * 2 * 1         \u2190 \u89e6\u5e95\u53cd\u5f39\uff08return\uff09\n\u2192 5 * 4 * 3 * 2\n\u2192 5 * 4 * 6\n\u2192 5 * 24\n\u2192 120<\/code><\/pre>\n\n\n\n
    4.3 \u6590\u6ce2\u90a3\u5951\u6570\u5217<\/h2>\n\n\n\n
    \/\/ \u6590\u6ce2\u90a3\u5951\uff1a1, 1, 2, 3, 5, 8, 13, 21...\n\/\/ \u5b9a\u4e49\uff1af(1)=1, f(2)=1, f(n)=f(n-1)+f(n-2)\n\npublic static int fib(int n) {\n    if (n == 1 || n == 2) {\n        return 1;\n    }\n    return fib(n - 1) + fib(n - 2);\n}\n\nSystem.out.println(fib(6));  \/\/ 8<\/code><\/pre>\n\n\n\n
    \n
    \u26a0\ufe0f \u6027\u80fd\u8b66\u544a\uff1a<\/strong>\u4e0a\u9762\u8fd9\u4e2a\u9012\u5f52\u7248\u6590\u6ce2\u90a3\u5951\u6548\u7387\u6781\u4f4e\u2014\u2014fib(50)<\/code> \u8dd1\u5230\u5929\u8352\u5730\u8001\uff0c\u56e0\u4e3a\u5927\u91cf\u91cd\u590d\u8ba1\u7b97\u3002\u540e\u9762\u4f1a\u5b66\u5230\u7528\u5faa\u73af\u6216\u8bb0\u5fc6\u5316\u9012\u5f52\u6765\u4f18\u5316\u3002\u9012\u5f52\u4e0d\u662f\u4e07\u80fd\u7684\uff0c\u8981\u5224\u65ad\u662f\u5426\u503c\u5f97\u3002<\/p>\n<\/blockquote>\n\n\n\n
    4.4 \u9012\u5f52\u7684\u6838\u5fc3\u4e09\u8981\u7d20<\/h2>\n\n\n\n
      \n
    • \u7ec8\u6b62\u6761\u4ef6\uff1a<\/strong>\u5fc5\u987b\u6709\u660e\u786e\u7684\u7ed3\u675f\u6761\u4ef6\uff0c\u5426\u5219\u6808\u6ea2\u51fa<\/li>\n\n\n\n
    • \u9012\u5f52\u6b65\u9aa4\uff1a<\/strong>\u6bcf\u6b21\u8c03\u7528\u90fd\u8981\u8ba9\u95ee\u9898\u89c4\u6a21\u7f29\u5c0f<\/li>\n\n\n\n
    • \u95ee\u9898\u80fd\u591f\u5206\u89e3\uff1a<\/strong>\u5927\u95ee\u9898\u80fd\u62c6\u6210\u5c0f\u95ee\u9898\u7684\u5b50\u95ee\u9898\uff0c\u4e14\u89e3\u6cd5\u76f8\u540c<\/li>\n<\/ul>\n\n\n\n
      \u80fd\u7528\u9012\u5f52\u89e3\u51b3\u7684\u95ee\u9898\u901a\u5e38\u4e5f\u53ef\u4ee5\u7528\u5faa\u73af\u89e3\u51b3\u3002\u9012\u5f52\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u5199\u8d77\u6765”\u6570\u5b66\u611f”\u5f3a\u3001\u6e05\u6670\uff0c\u7f3a\u70b9\u662f\u6027\u80fd\u4e0d\u5982\u5faa\u73af\u3001\u5bb9\u6613\u6808\u6ea2\u51fa<\/strong>\u3002\u9012\u5f52\u6df1\u5ea6\u8d85\u8fc7\u51e0\u5343\u5c42\u5c31\u8981\u5c0f\u5fc3\u4e86\u3002<\/p>\n\n\n\n
      \u4e94\u3001\u7efc\u5408\u793a\u4f8b\uff1a\u65b9\u6cd5\u6539\u9020\u5b66\u751f\u6210\u7ee9\u7cfb\u7edf<\/h2>\n\n\n\n
      \u73b0\u5728\u6211\u4eec\u6709\u65b9\u6cd5\u4e86\uff0c\u53ef\u4ee5\u628a\u4e4b\u524d\u7684\u4ee3\u7801\u6a21\u5757\u5316<\/strong>\uff1a<\/p>\n\n\n\n
      import java.util.Arrays;\n\npublic class ScoreSystemV2 {\n    public static void main(String[] args) {\n        int[] scores = {76, 88, 62, 95, 81};\n        \n        printArray(\"\u539f\u59cb\u6210\u7ee9\", scores);\n        \n        int sum = sum(scores);\n        double avg = avg(scores);\n        int max = max(scores);\n        int min = min(scores);\n        \n        System.out.println(\"\u603b\u5206\uff1a\" + sum);\n        System.out.println(\"\u5e73\u5747\u5206\uff1a\" + avg);\n        System.out.println(\"\u6700\u9ad8\u5206\uff1a\" + max);\n        System.out.println(\"\u6700\u4f4e\u5206\uff1a\" + min);\n        \n        \/\/ \u9012\u5f52\u7248\u9636\u4e58\uff08\u505a\u4e2a\u5c55\u793a\uff09\n        System.out.println(\"5! = \" + factorial(5));\n    }\n    \n    \/\/ \u5de5\u5177\u65b9\u6cd5\n    public static void printArray(String label, int[] arr) {\n        System.out.println(label + \"\uff1a\" + Arrays.toString(arr));\n    }\n    \n    public static int sum(int[] arr) {\n        int total = 0;\n        for (int n : arr) total += n;\n        return total;\n    }\n    \n    public static double avg(int[] arr) {\n        return (double) sum(arr) \/ arr.length;  \/\/ \u590d\u7528 sum()\n    }\n    \n    public static int max(int[] arr) {\n        int max = arr[0];\n        for (int n : arr) if (n > max) max = n;\n        return max;\n    }\n    \n    public static int min(int[] arr) {\n        int min = arr[0];\n        for (int n : arr) if (n < min) min = n;\n        return min;\n    }\n    \n    \/\/ \u9012\u5f52\n    public static int factorial(int n) {\n        if (n <= 1) return 1;\n        return n * factorial(n - 1);\n    }\n}<\/code><\/pre>\n\n\n\n
      \u5bf9\u6bd4\u4e00\u4e0b\u2014\u2014main<\/code> \u65b9\u6cd5\u53ea\u6709 11 \u884c\uff0c\u6bcf\u4e2a\u529f\u80fd\u6709\u5355\u72ec\u7684\u65b9\u6cd5\u3002\u8fd9\u5c31\u662f\u6a21\u5757\u5316\u7f16\u7a0b<\/strong>\u7684\u9b45\u529b\uff1a\u6e05\u6670\u3001\u53ef\u590d\u7528\u3001\u597d\u7ef4\u62a4\u3002<\/p>\n\n\n\n
      \u603b\u7ed3<\/h2>\n\n\n\n
        \n
      • \u65b9\u6cd5<\/strong>\u662f\u4ee3\u7801\u7684”\u79ef\u6728\u5757”\uff0c\u6709\u4fee\u9970\u7b26\u3001\u8fd4\u56de\u503c\u3001\u65b9\u6cd5\u540d\u3001\u53c2\u6570\u5217\u8868\u548c\u65b9\u6cd5\u4f53<\/li>\n\n\n\n
      • \u91cd\u8f7d<\/strong>\u8ba9\u540c\u540d\u65b9\u6cd5\u5904\u7406\u4e0d\u540c\u7c7b\u578b\/\u6570\u91cf\u7684\u53c2\u6570\uff0c\u5178\u578b\u5982 println()<\/code><\/li>\n\n\n\n
      • \u503c\u4f20\u9012<\/strong>\uff1aJava \u53ea\u6709\u503c\u4f20\u9012\u3002\u57fa\u672c\u7c7b\u578b\u4f20\u526f\u672c\uff0c\u5f15\u7528\u7c7b\u578b\u4f20\u5f15\u7528\u526f\u672c\u2014\u2014\u4fee\u6539\u5f15\u7528\u6307\u5411\u5bf9\u8c61\u7684\u5185\u5bb9\u4f1a\u53cd\u6620\u5230\u5916\u90e8<\/li>\n\n\n\n
      • \u9012\u5f52<\/strong>\u662f\u65b9\u6cd5\u81ea\u8c03\u7528\uff0c\u5fc5\u987b\u6709\u7ec8\u6b62\u6761\u4ef6\u3002\u4ee3\u7801\u7b80\u6d01\u4f46\u6027\u80fd\u7a0d\u5dee\uff0c\u6df1\u5ea6\u5927\u65f6\u614e\u7528<\/li>\n<\/ul>\n\n\n\n
        \u4e0b\u4e00\u7bc7\u6211\u4eec\u5c06\u505a\u6570\u7ec4\u4e0e\u65b9\u6cd5\u7684\u7efc\u5408\u7ec3\u4e60<\/strong>\uff0c\u5237\u51e0\u9053\u5b9e\u5728\u7684\u9898\u76ee\u5de9\u56fa\u8fd9\u4e9b\u77e5\u8bc6\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5f00\u7bc7\u5f15\u5b50\u2014\u2014\u4e3a\u4ec0\u4e48\u8981\u6709\u65b9\u6cd5\uff1f \u6211\u4eec\u7684\u4ee3\u7801\u4e00\u76f4\u5728 main \u65b9\u6cd5\u91cc\u585e\uff0c\u4f46\u6240\u6709\u903b\u8f91\u90fd\u6324\u5728\u4e00\u8d77\u662f\u4ec0\u4e48\u4f53\u9a8c\uff1f \u8fd9\u5c31\u662f\u6ca1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-240","post","type-post","status-publish","format-standard","hentry","category-array-method"],"_links":{"self":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=240"}],"version-history":[{"count":2,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":248,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/240\/revisions\/248"}],"wp:attachment":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}