{"id":241,"date":"2026-07-15T13:05:56","date_gmt":"2026-07-15T05:05:56","guid":{"rendered":"http:\/\/ssjava.xyz\/?p=241"},"modified":"2026-07-16T10:54:12","modified_gmt":"2026-07-16T02:54:12","slug":"09-%e6%95%b0%e7%bb%84%e4%b8%8e%e6%96%b9%e6%b3%95%e7%bb%bc%e5%90%88%e7%bb%83%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/ssjava.xyz\/index.php\/2026\/07\/15\/09-%e6%95%b0%e7%bb%84%e4%b8%8e%e6%96%b9%e6%b3%95%e7%bb%bc%e5%90%88%e7%bb%83%e4%b9%a0\/","title":{"rendered":"09. \u6570\u7ec4\u4e0e\u65b9\u6cd5\u7efc\u5408\u7ec3\u4e60"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5f00\u7bc7\u5f15\u5b50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u9762\u4e09\u7bc7\u6587\u7ae0\u8bb2\u4e86\u6570\u7ec4\uff08\u4e00\u7ef4\u3001\u4e8c\u7ef4\u3001\u5de5\u5177\u7c7b\u3001\u53ef\u53d8\u53c2\u6570\uff09\u548c\u65b9\u6cd5\uff08\u5b9a\u4e49\u3001\u91cd\u8f7d\u3001\u9012\u5f52\u3001\u503c\u4f20\u9012\uff09\uff0c\u4f46<strong>\u5149\u770b\u4e0d\u7ec3\u7b49\u4e8e\u767d\u770b<\/strong>\u3002\u8fd9\u7bc7\u5c31\u51fa 5 \u9053\u7efc\u5408\u7ec3\u4e60\u9898\uff0c\u96be\u5ea6\u5faa\u5e8f\u6e10\u8fdb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u5148\u522b\u770b\u7b54\u6848\uff0c\u81ea\u5df1\u5199\u4e00\u904d\u518d\u5bf9\u7167\u3002\u4ee3\u7801\u8fd9\u4e1c\u897f\uff0c\u6572\u51fa\u6765\u624d\u7b97\u81ea\u5df1\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60 1\uff1a\u6570\u7ec4\u5143\u7d20\u53bb\u91cd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9898\u76ee\uff1a<\/strong>\u7ed9\u5b9a\u4e00\u4e2a\u6570\u7ec4 <code>{1, 3, 2, 1, 5, 3, 7, 2}<\/code>\uff0c\u5199\u4e00\u4e2a\u65b9\u6cd5 <code>distinct(int[] arr)<\/code>\uff0c\u8fd4\u56de\u53bb\u91cd\u540e\u7684\u65b0\u6570\u7ec4\uff0c\u4e0d\u6539\u53d8\u539f\u6570\u7ec4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u8def\uff1a<\/strong>\u904d\u5386\u539f\u6570\u7ec4\uff0c\u7528 boolean \u6807\u8bb0\u662f\u5426\u5df2\u7ecf\u51fa\u73b0\u8fc7\uff0c\u5c06\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u5143\u7d20\u5b58\u5165\u65b0\u6570\u7ec4\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Arrays;\n\npublic class Exercise1 {\n    public static void main(String[] args) {\n        int[] arr = {1, 3, 2, 1, 5, 3, 7, 2};\n        int[] result = distinct(arr);\n        System.out.println(\"\u539f\u6570\u7ec4\uff1a\" + Arrays.toString(arr));\n        System.out.println(\"\u53bb\u91cd\u540e\uff1a\" + Arrays.toString(result));\n        \/\/ \u671f\u671b\uff1a[1, 3, 2, 5, 7]\n    }\n    \n    public static int[] distinct(int[] arr) {\n        \/\/ \u6807\u8bb0\u6570\u7ec4\uff0c\u8bb0\u5f55\u5143\u7d20\u662f\u5426\u5df2\u7ecf\u51fa\u73b0\u8fc7\n        \/\/ \u8fd9\u91cc\u9650\u5236\uff1a\u6570\u7ec4\u5143\u7d20 &gt;= 0\uff0c\u6700\u5927\u4e0d\u8d85\u8fc7 int \u8303\u56f4\n        \/\/ \u66f4\u901a\u7528\u7684\u505a\u6cd5\u662f\u7528 HashMap\uff0c\u4f46\u8fd8\u6ca1\u5b66\u5230\uff0c\u5148\u8fd9\u6837\n        boolean[] seen = new boolean[1000];\n        int count = 0;\n        \n        \/\/ \u7b2c\u4e00\u904d\uff1a\u7edf\u8ba1\u4e0d\u91cd\u590d\u5143\u7d20\u4e2a\u6570\n        for (int num : arr) {\n            if (!seen[num]) {\n                seen[num] = true;\n                count++;\n            }\n        }\n        \n        \/\/ \u521b\u5efa\u7ed3\u679c\u6570\u7ec4\n        int[] result = new int[count];\n        \/\/ \u91cd\u7f6e seen\uff0c\u91cd\u65b0\u904d\u5386\u6536\u96c6\n        seen = new boolean[1000];\n        int index = 0;\n        for (int num : arr) {\n            if (!seen[num]) {\n                seen[num] = true;\n                result[index++] = num;\n            }\n        }\n        \n        return result;\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd0\u884c\u7ed3\u679c\uff1a<\/strong>[1, 3, 2, 5, 7]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8003\u70b9\uff1a<\/strong>\u6570\u7ec4\u904d\u5386\u3001\u65b0\u6570\u7ec4\u521b\u5efa\u3001\u5224\u65ad\u91cd\u590d\u7684\u903b\u8f91\u601d\u7ef4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60 2\uff1a\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u7b26\u7684\u51fa\u73b0\u6b21\u6570<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9898\u76ee\uff1a<\/strong>\u5199\u4e00\u4e2a\u65b9\u6cd5 <code>countChars(String str)<\/code>\uff0c\u7edf\u8ba1\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u7b26\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u6253\u5370\u7ed3\u679c\u3002\u4e0d\u8003\u8651\u4e2d\u6587\u5b57\u7b26\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u8def\uff1a<\/strong>\u5b57\u7b26\u53ef\u4ee5\u8f6c\u6362\u4e3a int\uff08ASCII \u7801\uff09\uff0c\u7528\u957f\u5ea6\u4e3a 128\uff08\u6216 256\uff09\u7684\u6570\u7ec4\u8ba1\u6570\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class Exercise2 {\n    public static void main(String[] args) {\n        countChars(\"hello world\");\n    }\n    \n    public static void countChars(String str) {\n        \/\/ ASCII \u7801\u5b8c\u6574\u8303\u56f4 0~127\n        int[] counts = new int[128];\n        \n        \/\/ \u904d\u5386\u5b57\u7b26\u4e32\uff0c\u7edf\u8ba1\u6bcf\u4e2a\u5b57\u7b26\u51fa\u73b0\u6b21\u6570\n        for (int i = 0; i &lt; str.length(); i++) {\n            char c = str.charAt(i);\n            counts[c]++;  \/\/ \u5b57\u7b26\u4f5c\u4e3a\u4e0b\u6807\uff0c\u81ea\u52a8\u8f6c int\n        }\n        \n        \/\/ \u6253\u5370\u7ed3\u679c\n        System.out.println(\"\u5b57\u7b26\u7edf\u8ba1\uff1a\");\n        for (int i = 0; i &lt; counts.length; i++) {\n            if (counts[i] &gt; 0) {\n                System.out.println(\"  '\" + (char) i + \"' \uff1a\" + counts[i] + \" \u6b21\");\n            }\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd0\u884c\u7ed3\u679c\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5b57\u7b26\u7edf\u8ba1\uff1a\n  ' ' \uff1a1 \u6b21\n  'd' \uff1a1 \u6b21\n  'e' \uff1a1 \u6b21\n  'h' \uff1a1 \u6b21\n  'l' \uff1a3 \u6b21\n  'o' \uff1a2 \u6b21\n  'r' \uff1a1 \u6b21\n  'w' \uff1a1 \u6b21<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8003\u70b9\uff1a<\/strong>\u5b57\u7b26\u4e0e\u6574\u578b\u7684\u8f6c\u6362\u3001\u6570\u7ec4\u5143\u7d20\u81ea\u589e\u3001<code>String.charAt()<\/code> \u65b9\u6cd5\u7684\u4f7f\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u6280\u5de7\u5f88\u5b9e\u7528\u2014\u2014\u628a\u5b57\u7b26\u5f53\u6570\u7ec4\u4e0b\u6807\u7528\u7684\u601d\u8def\uff0c\u5728\u5f88\u591a\u7b97\u6cd5\u9898\u91cc\u90fd\u4f1a\u51fa\u73b0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60 3\uff1a\u65b9\u6cd5\u91cd\u8f7d\u2014\u2014\u6c42\u591a\u79cd\u5f62\u72b6\u7684\u9762\u79ef<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9898\u76ee\uff1a<\/strong>\u5229\u7528\u65b9\u6cd5\u91cd\u8f7d\u5b9e\u73b0 <code>area()<\/code>\u2014\u2014\u652f\u6301\u8ba1\u7b97\u6b63\u65b9\u5f62\u3001\u957f\u65b9\u5f62\u3001\u5706\u5f62\u7684\u9762\u79ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class Exercise3 {\n    public static void main(String[] args) {\n        System.out.println(\"\u6b63\u65b9\u5f62\u8fb9\u957f 5\uff1a\" + area(5));\n        System.out.println(\"\u957f\u65b9\u5f62 4\u00d76\uff1a\" + area(4, 6));\n        System.out.println(\"\u5706\u5f62\u534a\u5f84 3\uff1a\" + area(3.0));\n    }\n    \n    \/\/ \u6b63\u65b9\u5f62\u9762\u79ef\n    public static int area(int side) {\n        return side * side;\n    }\n    \n    \/\/ \u957f\u65b9\u5f62\u9762\u79ef\n    public static int area(int length, int width) {\n        return length * width;\n    }\n    \n    \/\/ \u5706\u5f62\u9762\u79ef\n    public static double area(double radius) {\n        return Math.PI * radius * radius;\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd0\u884c\u7ed3\u679c\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6b63\u65b9\u5f62\u8fb9\u957f 5\uff1a25\n\u957f\u65b9\u5f62 4\u00d76\uff1a24\n\u5706\u5f62\u534a\u5f84 3\uff1a28.274333882308138<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8003\u70b9\uff1a<\/strong>\u65b9\u6cd5\u91cd\u8f7d\u7684\u4e09\u79cd\u5f62\u5f0f\u2014\u2014\u53c2\u6570\u4e2a\u6570\u4e0d\u540c\u3001\u53c2\u6570\u7c7b\u578b\u4e0d\u540c\u3001\u8fd4\u56de\u7c7b\u578b\u81ea\u52a8\u5339\u914d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u7b2c\u4e09\u4e2a <code>area(3.0)<\/code> \u4f20\u7684\u662f <code>double<\/code>\uff0c\u4e0d\u4f1a\u5339\u914d\u5230 <code>area(int)<\/code>\u3002\u5982\u679c\u4f20 <code>area(3)<\/code>\uff0c\u5c31\u4f1a\u5339\u914d\u7b2c\u4e00\u4e2a int \u7248\u672c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60 4\uff1a\u9012\u5f52\u2014\u2014\u5341\u8fdb\u5236\u8f6c\u4e8c\u8fdb\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9898\u76ee\uff1a<\/strong>\u5199\u4e00\u4e2a\u9012\u5f52\u65b9\u6cd5 <code>toBinary(int n)<\/code>\uff0c\u5c06\u5341\u8fdb\u5236\u6b63\u6574\u6570\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u601d\u8def\uff1a<\/strong>\u9664 2 \u53d6\u4f59\u6cd5\u2014\u2014\u4e0d\u65ad\u9664\u4ee5 2\uff0c\u628a\u4f59\u6570\u62fc\u8d77\u6765\u3002\u9012\u5f52\u5199\u6cd5\u521a\u597d\u5bf9\u5e94&#8221;\u5148\u6c42\u5546\u518d\u62fc\u63a5\u4f59\u6570&#8221;\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class Exercise4 {\n    public static void main(String[] args) {\n        System.out.println(\"10 \u7684\u4e8c\u8fdb\u5236\uff1a\" + toBinary(10));   \/\/ 1010\n        System.out.println(\"42 \u7684\u4e8c\u8fdb\u5236\uff1a\" + toBinary(42));   \/\/ 101010\n        System.out.println(\"255 \u7684\u4e8c\u8fdb\u5236\uff1a\" + toBinary(255)); \/\/ 11111111\n    }\n    \n    public static String toBinary(int n) {\n        \/\/ \u7ec8\u6b62\u6761\u4ef6\n        if (n == 0) {\n            return \"0\";\n        }\n        if (n == 1) {\n            return \"1\";\n        }\n        \/\/ \u9012\u5f52\u6b65\u9aa4\uff1a\u5148\u7b97 n\/2 \u7684\u4e8c\u8fdb\u5236\uff0c\u518d\u62fc\u63a5 n%2\n        return toBinary(n \/ 2) + (n % 2);\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6267\u884c\u8fc7\u7a0b\uff08n=10\uff09\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>toBinary(10)\n\u2192 toBinary(5) + \"0\"\n\u2192 toBinary(2) + \"1\" + \"0\"\n\u2192 toBinary(1) + \"0\" + \"1\" + \"0\"\n\u2192 \"1\" + \"0\" + \"1\" + \"0\"\n\u2192 \"1010\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8003\u70b9\uff1a<\/strong>\u9012\u5f52\u7684\u7ec8\u6b62\u6761\u4ef6\u8bbe\u7f6e\u3001\u9012\u5f52\u7ed3\u679c\u62fc\u63a5\u3001\u6570\u5b66\u77e5\u8bc6\uff08\u8fdb\u5236\u8f6c\u6362\uff09\u4e0e\u7f16\u7a0b\u7684\u7ed3\u5408\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60 5\uff1a\u5192\u6ce1\u6392\u5e8f + \u4e8c\u5206\u67e5\u627e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9898\u76ee\uff1a<\/strong>\u7ed9\u5b9a\u6570\u7ec4 <code>{24, 7, 43, 15, 9, 31, 18, 3}<\/code>\uff0c\u5148\u6392\u5e8f\u518d\u67e5\u627e\u3002\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>bubbleSort(int[] arr)<\/code> \u2014\u2014 \u5192\u6ce1\u6392\u5e8f\uff08\u5347\u5e8f\uff09<\/li><li><code>binarySearch(int[] arr, int target)<\/code> \u2014\u2014 \u4e8c\u5206\u67e5\u627e<\/li><li><code>main<\/code> \u65b9\u6cd5\u6d4b\u8bd5\uff1a\u627e 15 \u548c 99 \u7684\u4f4d\u7f6e<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Arrays;\n\npublic class Exercise5 {\n    public static void main(String[] args) {\n        int[] arr = {24, 7, 43, 15, 9, 31, 18, 3};\n        \n        System.out.println(\"\u6392\u5e8f\u524d\uff1a\" + Arrays.toString(arr));\n        \n        \/\/ \u6392\u5e8f\uff08\u5192\u6ce1\u6392\u5e8f\u4f1a\u4fee\u6539\u539f\u6570\u7ec4\uff0c\u5148\u590d\u5236\u4e00\u4efd\uff09\n        int[] sorted = Arrays.copyOf(arr, arr.length);\n        bubbleSort(sorted);\n        System.out.println(\"\u6392\u5e8f\u540e\uff1a\" + Arrays.toString(sorted));\n        \n        \/\/ \u67e5\u627e\n        int target1 = 15;\n        int index1 = binarySearch(sorted, target1);\n        System.out.println(target1 + \" \u7684\u4f4d\u7f6e\uff1a\" + index1);\n        \n        int target2 = 99;\n        int index2 = binarySearch(sorted, target2);\n        System.out.println(target2 + \" \u7684\u4f4d\u7f6e\uff1a\" + index2 + \"\uff08-1 \u8868\u793a\u672a\u627e\u5230\uff09\");\n    }\n    \n    \/**\n     * \u5192\u6ce1\u6392\u5e8f\uff08\u5347\u5e8f\uff09\n     *\/\n    public static void bubbleSort(int[] arr) {\n        for (int i = 0; i &lt; arr.length - 1; i++) {\n            boolean swapped = false;  \/\/ \u4f18\u5316\uff1a\u5982\u679c\u672c\u8f6e\u6ca1\u6709\u4ea4\u6362\uff0c\u8bf4\u660e\u5df2\u7ecf\u6709\u5e8f\n            for (int j = 0; j &lt; arr.length - 1 - i; j++) {\n                if (arr[j] &gt; arr[j + 1]) {\n                    int temp = arr[j];\n                    arr[j] = arr[j + 1];\n                    arr[j + 1] = temp;\n                    swapped = true;\n                }\n            }\n            if (!swapped) break;  \/\/ \u63d0\u524d\u7ed3\u675f\n        }\n    }\n    \n    \/**\n     * \u4e8c\u5206\u67e5\u627e\uff08\u6570\u7ec4\u5fc5\u987b\u5df2\u6392\u5e8f\uff09\n     * @return \u76ee\u6807\u503c\u7684\u4e0b\u6807\uff0c\u672a\u627e\u5230\u8fd4\u56de -1\n     *\/\n    public static int binarySearch(int[] arr, int target) {\n        int left = 0;\n        int right = arr.length - 1;\n        \n        while (left &lt;= right) {\n            int mid = left + (right - left) \/ 2;  \/\/ \u9632\u6b62\u6ea2\u51fa\n            \n            if (arr[mid] == target) {\n                return mid;\n            } else if (arr[mid] &lt; target) {\n                left = mid + 1;      \/\/ \u5728\u53f3\u534a\u90e8\u5206\n            } else {\n                right = mid - 1;     \/\/ \u5728\u5de6\u534a\u90e8\u5206\n            }\n        }\n        \n        return -1;  \/\/ \u672a\u627e\u5230\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd0\u884c\u7ed3\u679c\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6392\u5e8f\u524d\uff1a[24, 7, 43, 15, 9, 31, 18, 3]\n\u6392\u5e8f\u540e\uff1a[3, 7, 9, 15, 18, 24, 31, 43]\n15 \u7684\u4f4d\u7f6e\uff1a3\n99 \u7684\u4f4d\u7f6e\uff1a-1\uff08-1 \u8868\u793a\u672a\u627e\u5230\uff09<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8003\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5192\u6ce1\u6392\u5e8f\uff08\u542b swapped \u4f18\u5316\uff09<\/li><li>\u4e8c\u5206\u67e5\u627e\u7684 left\/right \u6307\u9488\u79fb\u52a8\u903b\u8f91<\/li><li><code>mid = left + (right - left) \/ 2<\/code> \u907f\u514d <code>(left + right) \/ 2<\/code> \u53ef\u80fd\u6ea2\u51fa\u7684\u95ee\u9898<\/li><li>\u65b9\u6cd5\u5c01\u88c5\u2014\u2014\u6392\u5e8f\u548c\u67e5\u627e\u5404\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5404\u53f8\u5176\u804c<\/li><li>Arrays.copyOf() \u4fdd\u62a4\u539f\u6570\u7ec4\u4e0d\u88ab\u4fee\u6539<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9 5 \u9053\u9898\u8986\u76d6\u4e86\u6570\u7ec4\u4e0e\u65b9\u6cd5\u7684\u6838\u5fc3\u573a\u666f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u7ec3\u4e60 1<\/strong>\uff1a\u6570\u7ec4\u904d\u5386 + \u53bb\u91cd\u903b\u8f91\uff08\u6807\u8bb0\u601d\u60f3\uff09<\/li><li><strong>\u7ec3\u4e60 2<\/strong>\uff1a\u5b57\u7b26\u7edf\u8ba1\uff08\u5b57\u7b26\u5f53\u6570\u7ec4\u4e0b\u6807\u7528\u7684\u6280\u5de7\uff09<\/li><li><strong>\u7ec3\u4e60 3<\/strong>\uff1a\u65b9\u6cd5\u91cd\u8f7d\u7684\u5b9e\u9645\u5e94\u7528<\/li><li><strong>\u7ec3\u4e60 4<\/strong>\uff1a\u9012\u5f52\u5b9e\u73b0\u8fdb\u5236\u8f6c\u6362<\/li><li><strong>\u7ec3\u4e60 5<\/strong>\uff1a\u6392\u5e8f + \u67e5\u627e\u7684\u7ec4\u5408\u5e94\u7528\u3001\u65b9\u6cd5\u5c01\u88c5<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u6b64\uff0c<strong>\u6570\u7ec4\u4e0e\u65b9\u6cd5<\/strong>\u8fd9\u4e2a\u4e13\u9898\u5c31\u7ed3\u675f\u4e86\u3002\u4e0b\u4e00\u7bc7\u6211\u4eec\u8fdb\u5165 JavaSE \u7684\u91cd\u5934\u620f\u2014\u2014<strong>\u9762\u5411\u5bf9\u8c61<\/strong>\uff1a\u7c7b\u4e0e\u5bf9\u8c61\u3001\u5c01\u88c5\u3001\u7ee7\u627f\u3001\u591a\u6001\u3002\u90a3\u5c31\u662f Java \u771f\u6b63\u7cbe\u5f69\u7684\u5730\u65b9\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u52a0\u6cb9\uff0cJava \u8def\u6f2b\u6f2b\uff0c\u4ee3\u7801\u6572\u8d77\u6765 \ud83d\ude0e<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>\u5f00\u7bc7\u5f15\u5b50 \u524d\u9762\u4e09\u7bc7\u6587\u7ae0\u8bb2\u4e86\u6570\u7ec4\uff08\u4e00\u7ef4\u3001\u4e8c\u7ef4\u3001\u5de5\u5177\u7c7b\u3001\u53ef\u53d8\u53c2\u6570\uff09\u548c\u65b9\u6cd5\uff08\u5b9a\u4e49\u3001\u91cd\u8f7d\u3001\u9012\u5f52\u3001\u503c\u4f20\u9012\uff09\uff0c\u4f46\u5149\u770b\u4e0d\u7ec3\u7b49 [&hellip;]<\/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-241","post","type-post","status-publish","format-standard","hentry","category-array-method"],"_links":{"self":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/241","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=241"}],"version-history":[{"count":2,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/241\/revisions"}],"predecessor-version":[{"id":249,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/posts\/241\/revisions\/249"}],"wp:attachment":[{"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ssjava.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}