{"id":83439,"date":"2025-05-15T12:00:00","date_gmt":"2025-05-15T12:00:00","guid":{"rendered":"https:\/\/www.azul.com\/blog\/taking-java-arrays-to-another-dimension\/"},"modified":"2025-06-03T17:22:44","modified_gmt":"2025-06-03T17:22:44","slug":"taking-java-arrays-to-another-dimension","status":"publish","type":"post","link":"https:\/\/www.azul.com\/zh-hans\/blog\/taking-java-arrays-to-another-dimension\/","title":{"rendered":"\u5c06 Java \u6570\u7ec4\u63d0\u5347\u5230\u53e6\u4e00\u4e2a\u7ef4\u5ea6"},"content":{"rendered":"\n<p><em><em>\u901a\u8fc7\u672c\u6307\u5357\u6df1\u5165\u63a2\u7d22 Java \u591a\u7ef4\u6570\u7ec4\u7684\u590d\u6742\u6027\u3002\u5b66\u4e60\u5982\u4f55\u58f0\u660e\u3001\u521d\u59cb\u5316\u548c\u4f7f\u7528 Java \u6570\u7ec4\u6765\u6709\u6548\u5730\u7ba1\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0cAzul \u526f\u9996\u5e2d\u6280\u672f\u5b98 Simon Ritter \u89e3\u91ca\u4e86\u5982\u4f55\u5229\u7528\u591a\u7ef4\u6570\u7ec4\u4f5c\u4e3a\u4e00\u79cd\u5de5\u5177\u6765\u5b9e\u73b0\u66f4\u591a\u529f\u80fd\u3002<\/em><\/em><\/p>\n\n\n\n<p>Java \u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u90fd\u5305\u542b\u6570\u7ec4\u7684\u6982\u5ff5\u3002\u6570\u7ec4\u662f\u5305\u542b\u591a\u4e2a\u53d8\u91cf\u7684\u5bf9\u8c61\u3002\u7531\u4e8e\u6570\u7ec4\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u56e0\u6b64\u6570\u7ec4\u4e2d\u7684\u53d8\u91cf\u4e5f\u53ef\u4ee5\u662f\u6570\u7ec4\uff0c\u8fd9\u5c31\u5f15\u51fa\u4e86\u591a\u7ef4\u6570\u7ec4\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u4ec0\u4e48\u662f-java-\u4e2d\u7684\u591a\u7ef4\u6570\u7ec4\">\u4ec0\u4e48\u662f Java \u4e2d\u7684\u591a\u7ef4\u6570\u7ec4\uff1f<\/h2>\n\n\n\n<p>\u5728 Java \u4e2d\u6709\u591a\u79cd\u5b9a\u4e49\u548c\u586b\u5145\u591a\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u58f0\u660e\u591a\u7ef4\u6570\u7ec4\">\u58f0\u660e\u591a\u7ef4\u6570\u7ec4<\/h2>\n\n\n\n<p>\u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u53d8\u91cf\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p>int[][] ai;<\/p>\n\n\n\n<p>int aai[][];<\/p>\n\n\n\n<p>\u5982\u60a8\u6240\u89c1\uff0c\u65b9\u62ec\u53f7\uff08\u7528\u4e8e\u6307\u793a\u6570\u7ec4\uff09\u7684\u4f4d\u7f6e\u53ef\u4ee5\u653e\u5728\u6570\u7ec4\u7c7b\u578b\u4e4b\u540e\uff0c\u4e5f\u53ef\u4ee5\u653e\u5728\u53d8\u91cf\u540d\u4e4b\u540e\u3002\u6211\u503e\u5411\u4e8e\u5c06\u65b9\u62ec\u53f7\u653e\u5728\u6570\u7ec4\u7c7b\u578b\u4e4b\u540e\uff0c\u4ee5\u4fbf\u6240\u6709\u7c7b\u578b\u4fe1\u606f\u90fd\u96c6\u4e2d\u5728\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u6df7\u5408\u65b9\u62ec\u53f7\u4f4d\u7f6e\">\u6df7\u5408\u65b9\u62ec\u53f7\u4f4d\u7f6e<\/h2>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u6df7\u5408\u4ee5\u4e0b\u4f4d\u7f6e\uff1a<\/p>\n\n\n\n<p><code>int[] ai[];<\/code><\/p>\n\n\n\n<p>\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u4f7f\u6570\u7ec4\u7684\u7ed3\u6784\u4e4d\u4e00\u770b\u66f4\u96be\u7406\u89e3\u3002\u4ee5\u4e0b\u793a\u4f8b\u975e\u5e38\u6e05\u695a\u5730\u8bf4\u660e\u4e86\u8fd9\u4e00\u70b9\uff1a<\/p>\n\n\n\n<p><code>int[][] x[][], y[][][], z[];<\/code><\/p>\n\n\n\n<p>\u8fd9\u7b49\u6548\u4e8e\uff08\u4f46\u5e76\u4e0d\u660e\u663e\uff09\u5355\u72ec\u7684\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<p><code>int[][][][] x;<\/code><\/p>\n\n\n\n<p><code>int[][][][][] y;<\/code><\/p>\n\n\n\n<p><code>int[][][] z;<\/code><\/p>\n\n\n\n<p>\u5728\u8fd9\u4e9b\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u53ea\u662f\u58f0\u660e\u4e86\u53ef\u7528\u4e8e\u5f15\u7528\u6570\u7ec4\u7684\u53d8\u91cf\uff0c\u4f46\u5e76\u672a\u521b\u5efa\u6570\u7ec4\u3002\u5c40\u90e8\u53d8\u91cf\u5fc5\u987b\u8fdb\u884c\u660e\u786e\u8d4b\u503c\uff1b\u5982\u679c\u58f0\u660e\u5c40\u90e8\u53d8\u91cf\uff0c\u5219\u5fc5\u987b\u5c06\u5176\u503c\u8bbe\u7f6e\u4e3a\u67d0\u4e2a\u503c\u3002\u5982\u679c\u4f7f\u7528\u8fd9\u4e9b\u5c40\u90e8\u53d8\u91cf\u65f6\u6ca1\u6709\u5c06\u5b83\u4eec\u8d4b\u503c\u7ed9\u6570\u7ec4\uff0c\u7f16\u8bd1\u5668\u4f1a\u62a5\u544a x\u3001y \u548c z \u53ef\u80fd\u5c1a\u672a\u521d\u59cb\u5316\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\">\u521b\u5efa\u591a\u7ef4\u6570\u7ec4<\/h2>\n\n\n\n<p>\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff08\u4e0e\u521b\u5efa\u5355\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\u7c7b\u4f3c\uff09\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u79cd\u662f\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p><code>int[][] aiv = {{1, 2}, {3, 4}, };<\/code><\/p>\n\n\n\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5e76\u5c06\u503c 1 \u548c 2 \u8d4b\u7ed9\u7b2c\u4e00\u4e2a\u6570\u7ec4\uff0c\u5c06\u503c 3 \u548c 4 \u8d4b\u7ed9\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u3002\u6211\u7279\u610f\u5728\u7b2c\u4e8c\u7ec4\u62ec\u53f7\u540e\u6dfb\u52a0\u4e86\u9017\u53f7\uff0c\u56e0\u4e3a\u8fd9\u662f\u6709\u6548\u7684\u8bed\u6cd5\uff0c\u5373\u4f7f\u6ca1\u6709\u7b2c\u4e09\u7ec4\u503c\uff08\u9017\u53f7\u662f\u53ef\u9009\u7684\uff09\u3002\u6570\u7ec4\u7684\u7ef4\u5ea6\u7531\u7f16\u8bd1\u5668\u6839\u636e\u6307\u5b9a\u7684\u503c\u786e\u5b9a\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u5c06\u521b\u5efa\u4e00\u4e2a 2\u00d72 \u7684\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u662f\u5b9e\u4f8b\u5316\u5177\u6709\u660e\u786e\u7ef4\u5ea6\u7684\u6570\u7ec4\uff1a<\/p>\n\n\n\n<p><code>int[][] aie = new int[2][2];<\/code><\/p>\n\n\n\n<p>\u540c\u6837\uff0c\u6211\u4eec\u6709\u4e00\u4e2a 2\u00d72 \u7684\u6570\u7ec4\uff0c\u4f46\u6ca1\u6709\u5728\u5176\u4e2d\u5199\u5165\u5177\u4f53\u7684\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u6570\u7ec4\u4e2d\u7684\u9ed8\u8ba4\u503c\">\u6570\u7ec4\u4e2d\u7684\u9ed8\u8ba4\u503c<\/h2>\n\n\n\n<p>\u6211\u4eec\u8fd8\u5fc5\u987b\u8bb0\u4f4f\uff0c\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u4f7f\u7528 new \u8fd0\u7b97\u7b26\u7684\u539f\u56e0\u3002\u4e3a\u4ec0\u4e48\u8fd9\u5f88\u91cd\u8981\uff1f\u4f5c\u4e3a\u5c40\u90e8\u53d8\u91cf\uff0c\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\uff0c\u5982\u679c\u4e0d\u4e3a\u6570\u7ec4\u5f15\u7528\u8d4b\u503c\uff0c\u4ee3\u7801\u5c06\u65e0\u6cd5\u901a\u8fc7\u7f16\u8bd1\u3002\u73b0\u5728\uff0c\u6211\u4eec\u6709\u4e86\u4e00\u4e2a\u5f15\u7528\uff0c\u4f46\u662f\u5982\u679c\u6211\u4eec\u5c1d\u8bd5\u6253\u5370\u51fa\u7b2c\u4e00\u4e2a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u56e0\u4e3a\u6211\u4eec\u5df2\u7ecf\u5b9e\u4f8b\u5316\u4e86\u65b0\u7684\u6570\u7ec4\u5bf9\u8c61\uff0c\u6240\u4ee5 aie[0][0] \u7684\u503c\u5c06\u4e3a 0\uff08\u6211\u4eec\u7a0d\u540e\u4f1a\u89e3\u91ca\u539f\u56e0\uff09\u3002\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u8be5\u503c\u5c06\u4e3a null\u3002\u5373\u4f7f\u5b83\u662f\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf\uff0c\u6211\u4eec\u5b9e\u4f8b\u5316\u7684\u6570\u7ec4\u4e2d\u4e5f\u5b58\u50a8\u4e86\u9ed8\u8ba4\u503c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u7406\u89e3\u4ea4\u9519\u6570\u7ec4\">\u7406\u89e3\u4ea4\u9519\u6570\u7ec4<\/h2>\n\n\n\n<p>\u5173\u4e8e Java \u4e2d\u7684\u591a\u7ef4\u6570\u7ec4\uff0c\u9700\u8981\u7406\u89e3\u7684\u5173\u952e\u4e00\u70b9\u662f\u5b83\u4eec\u53ef\u80fd\u662f\u4e0d\u89c4\u5219\u7684\uff08\u6216\u8005\u8bf4\u662f\u4ea4\u9519\u7684\uff0c\u53d6\u51b3\u4e8e\u63cf\u8ff0\u5b83\u4eec\u7684\u4eba\uff09\u3002\u8fd9\u4e0e C \u8bed\u8a00\u4e0d\u540c\uff08Java \u7684\u8bed\u6cd5\u4e3b\u8981\u57fa\u4e8e C \u8bed\u8a00\uff09\uff0cC \u8bed\u8a00\u5177\u6709\u77e9\u5f62\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u8fd9\u5bf9\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u610f\u5473\u7740\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5c06\u91cd\u7528\u4e4b\u524d\u7684\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p><code>int[][] aiv = {{1, 2}, {3, 4}};<\/code><\/p>\n\n\n\n<p>\u6b64\u6570\u7ec4\u5b9e\u73b0\u4e3a\u4e00\u4e2a\u5f15\u7528\u591a\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5982\u56fe\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.thenewstack.io\/media\/2025\/04\/55e4caf2-multi-dimnesional-array-java-300x119.jpg\" alt=\"DIAGRAM: an array implemented as an array of references to arrays.\"\/><\/figure>\n<\/div>\n\n\n<p>\u5b9e\u9645\u4e0a\uff0c\u6709\u4e09\u4e2a\u6570\u7ec4\uff1a\u4e00\u4e2a\u7528\u4e8e\u4fdd\u5b58\u503c 1 \u548c 2\uff0c\u4e00\u4e2a\u7528\u4e8e\u4fdd\u5b58\u503c 3 \u548c 4\uff0c\u8fd8\u6709\u4e00\u4e2a\u7528\u4e8e\u4fdd\u5b58\u5bf9\u8fd9\u4e24\u4e2a\u6570\u7ec4\u7684\u5f15\u7528\u3002\u7531\u4e8e\u6570\u7ec4\u5f15\u7528\u662f\u72ec\u7acb\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u4e0d\u9700\u8981\u4f7f\u5b83\u4eec\u7684\u5927\u5c0f\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u66f4\u6539\u4e3a\u4fdd\u5b58\u4e09\u4e2a\u503c\uff1a<\/p>\n\n\n\n<p><code>int[][] aiv = {{1, 2}, {3, 4, 5}};<\/code><\/p>\n\n\n\n<p>\u6570\u7ec4\u5b58\u50a8\u73b0\u5728\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/cdn.thenewstack.io\/media\/2025\/04\/d260803a-aiv-multi-dimensional--300x104.jpg\" alt=\"DIAGRAM: an array storage holding three values.\"\/><\/figure>\n<\/div>\n\n\n<p>\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u4e09\u7ef4\u6570\u7ec4\uff0c\u5219\u7b2c\u4e8c\u7ef4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u5c06\u6210\u4e3a\u6570\u7ec4\u5f15\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p><code>int aiv[][][] = {{{1},{2,3}},{{4,5},{6,7},{8,9}}};<\/code><\/p>\n\n\n\n<p>\u6570\u7ec4\u5b58\u50a8\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u6253\u5370\u51fa\u503c&nbsp;aiv[1][0][1]\uff0c\u6211\u4eec\u5c06\u5f97\u5230 5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u7406\u89e3\u7528\u4e8e\u521b\u5efa\u6570\u7ec4\u7684-jvm-\u5b57\u8282\u7801\">\u7406\u89e3\u7528\u4e8e\u521b\u5efa\u6570\u7ec4\u7684 JVM \u5b57\u8282\u7801<\/h2>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u6df1\u5165\u7814\u7a76 JVM \u5982\u4f55\u5904\u7406\u6570\u7ec4\u521b\u5efa\uff0c\u6211\u4eec\u4f1a\u53d1\u73b0\u6839\u636e\u6211\u4eec\u62e5\u6709\u7684\u6570\u7ec4\u7c7b\u578b\uff0c\u4f7f\u7528\u4e86\u4e09\u79cd\u5b57\u8282\u7801\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u7528\u4e8e\u539f\u59cb\u7c7b\u578b\u6570\u7ec4\u7684\u5b57\u8282\u7801\">\u7528\u4e8e\u539f\u59cb\u7c7b\u578b\u6570\u7ec4\u7684\u5b57\u8282\u7801<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8981\u521b\u5efa\u539f\u59cb\u7c7b\u578b\u6570\u7ec4\uff0c\u9700\u8981\u4f7f\u7528 anewarray \u5b57\u8282\u7801\u3002\u5b83\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u6307\u793a\u6570\u7ec4\u5c06\u5b58\u50a8\u7684\u539f\u59cb\u7c7b\u578b\u3002\u65b0\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u5c06\u521d\u59cb\u5316\u4e3a\u8be5\u6570\u7ec4\u7c7b\u578b\u5143\u7d20\u7c7b\u578b\u7684\u9ed8\u8ba4\u521d\u59cb\u503c\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5728\u8bf7\u6c42\u672a\u663e\u5f0f\u521d\u59cb\u5316\u7684\u539f\u59cb\u7c7b\u578b\u5c40\u90e8\u53d8\u91cf\u6570\u7ec4\u4e2d\u7684\u503c\u65f6\u4e0d\u4f1a\u51fa\u73b0\u7f16\u8bd1\u5668\u9519\u8bef\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u7528\u4e8e\u5bf9\u8c61\u6570\u7ec4\u7684\u5b57\u8282\u7801\">\u7528\u4e8e\u5bf9\u8c61\u6570\u7ec4\u7684\u5b57\u8282\u7801<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/asmsupport.github.io\/jvmref\/ref-anewarray.html\" target=\"_blank\" rel=\"noreferrer noopener\">anewarray<\/a>\u00a0\u5b57\u8282\u7801\u7528\u4e8e\u521b\u5efa\u4e00\u7ef4\u5bf9\u8c61\u5f15\u7528\u6570\u7ec4\u3002\u5b83\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u662f\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\u7684\u7d22\u5f15\uff0c\u8be5\u7d22\u5f15\u5b9a\u4e49\u4e86\u6570\u7ec4\u5c06\u4fdd\u5b58\u7684\u5bf9\u8c61\u7c7b\u578b\u3002\u6b64\u5b57\u8282\u7801\u4e5f\u53ef\u7528\u4e8e\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u7ef4\u3002\u540c\u6837\uff0c\u9664\u975e\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u4ee3\u7801\uff0c\u5426\u5219\u6240\u6709\u5143\u7d20\u90fd\u5c06\u5305\u542b null\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u7528\u4e8e\u591a\u7ef4\u6570\u7ec4\u7684\u5b57\u8282\u7801\">\u7528\u4e8e\u591a\u7ef4\u6570\u7ec4\u7684\u5b57\u8282\u7801<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>multi-anewarray \u5b57\u8282\u7801\u53ef\u7528\u4e8e\u521b\u5efa\u591a\u7ef4\u5bf9\u8c61\u6570\u7ec4\u3002\u4e0e anewarray \u7c7b\u4f3c\uff0c\u5b83\u4f7f\u7528\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\u4e2d\u7684\u7d22\u5f15\u6765\u786e\u5b9a\u6570\u7ec4\u5c06\u4fdd\u5b58\u7684\u5bf9\u8c61\u7c7b\u578b\uff08\u6216\u4e3a null\uff09\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u5305\u542b\u6570\u7ec4\u7ef4\u6570\u7684\u8ba1\u6570\uff0c\u4ee5\u53ca\u4e00\u7ec4\u8868\u793a\u6570\u7ec4\u6bcf\u4e2a\u7ef4\u5ea6\u5927\u5c0f\u7684\u503c\u3002\u8bf7\u6ce8\u610f\uff0c\u6b64\u5b57\u8282\u7801\u4e0d\u7528\u4e8e\u539f\u59cb\u7c7b\u578b\u7684\u591a\u7ef4\u6570\u7ec4\uff08\u56e0\u4e3a\u5e38\u91cf\u6c60\u4e2d\u6ca1\u6709\u8fd9\u4e9b\u6570\u7ec4\u7684\u7c7b\u578b\uff09\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u6570\u7ec4\uff0c\u5c06\u4f7f\u7528 anewarray \u548c newarray \u7684\u7ec4\u5408\u6765\u6784\u9020\u6570\u7ec4\u3002\u5bf9\u4e8e\u4e0d\u89c4\u5219\u7684\u5bf9\u8c61\u6570\u7ec4\uff0c\u53ef\u4ee5\u5c06 multianewarray \u4e0e anewarray \u7ec4\u5408\u4f7f\u7528\uff0c\u6216\u8005\u53ef\u4ee5\u4f7f\u7528 anewarray \u521b\u5efa\u6574\u4e2a\u6570\u7ec4\u3002javac \u7f16\u8bd1\u5668\u5c06\u786e\u5b9a\u6700\u9ad8\u6548\u7684\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u591a\u7ef4\u6570\u7ec4\u7684\u6027\u80fd\u8003\u91cf\">\u591a\u7ef4\u6570\u7ec4\u7684\u6027\u80fd\u8003\u91cf<\/h2>\n\n\n\n<p>\u8bf7\u8c28\u614e\u4f7f\u7528\u591a\u7ef4\u6570\u7ec4\uff0c\u56e0\u4e3a\u7b80\u5355\u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u663e\u8457\u5f71\u54cd\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n\n\n\n<p><code>int[][] aiv = {{1,2,3,4,5},{6,7,8,9,10},{11,12,13,14,15}};<\/code><\/p>\n\n\n\n<p><code>for (int x = 0; x &lt; 3; x++)<\/code><\/p>\n\n\n\n<p><code>for (int y = 0; y &lt; 5; y++)<\/code><\/p>\n\n\n\n<p><code>aiv[x][y] = aiv[x][y] + 1;<\/code><\/p>\n\n\n\n<p><code>for (int y = 0; y &lt; 5; y++)<\/code><\/p>\n\n\n\n<p><code>for (int x = 0; x &lt; 3; x++)<\/code><\/p>\n\n\n\n<p><code>aiv[x][y] = aiv[x][y] + 1;<\/code><\/p>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u5faa\u73af\u7248\u672c\u6bd4\u7b2c\u4e8c\u4e2a\u7248\u672c\u6548\u7387\u9ad8\u5f97\u591a\u3002\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u4e4b\u524d\u770b\u5230\u7684\u591a\u7ef4\u6570\u7ec4\u7684\u7ed3\u6784\u3002\u7b2c\u4e8c\u4e2a\u7248\u672c\u9700\u8981\u4e0d\u65ad\u5728\u6570\u7ec4\u5f15\u7528\u4e4b\u95f4\u5207\u6362\u4ee5\u8bbf\u95ee\u5404\u4e2a\u5143\u7d20\uff0c\u8fd9\u4f1a\u4ea7\u751f\u76f8\u5173\u7684\u5f00\u9500\u3002\u7b2c\u4e00\u4e2a\u7248\u672c\u7ef4\u62a4\u4e00\u4e2a\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u5e76\u5faa\u73af\u904d\u5386\u5176\u4e2d\u5b58\u50a8\u7684\u6240\u6709\u5bf9\u8c61\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u57fa\u51c6\u6d4b\u8bd5\u6027\u80fd\u5dee\u5f02\">\u57fa\u51c6\u6d4b\u8bd5\u6027\u80fd\u5dee\u5f02<\/h2>\n\n\n\n<p>\u6211\u5728 MacBook \u4e0a\u8fd0\u884c\u4e86\u7c7b\u4f3c\u7684\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4f7f\u7528\u4e86 2,000 \u4e2a\u6570\u7ec4\uff0c\u6bcf\u4e2a\u6570\u7ec4\u5305\u542b 2,000 \u4e2a\u5143\u7d20\uff0c\u5e76\u91cd\u590d\u5faa\u73af\u4e00\u5343\u6b21\u3002\u7b2c\u4e00\u4e2a\u7248\u672c\u7684\u5faa\u73af\u5b8c\u6210\u8017\u65f6 620 \u6beb\u79d2\uff0c\u800c\u7b2c\u4e8c\u4e2a\u7248\u672c\u5219\u8017\u65f6 4,200 \u6beb\u79d2\u3002\u8fd9\u51e0\u4e4e\u6162\u4e86\u4e03\u500d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u603b\u7ed3\">\u603b\u7ed3<\/h2>\n\n\n\n<p>\u591a\u7ef4\u6570\u7ec4\u662f Java \u8bed\u8a00\u7684\u4e00\u9879\u57fa\u672c\u7279\u6027\uff0c\u5728\u7f16\u8bd1\u65f6\u5df2\u77e5\u7ef4\u5ea6\u5927\u5c0f\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002\u5e0c\u671b\u60a8\u73b0\u5728\u5bf9\u5b83\u4eec\u7684\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u5982\u4f55\u5728\u4ee3\u7801\u4e2d\u6709\u6548\u5730\u4f7f\u7528\u5b83\u4eec\u6709\u4e86\u66f4\u597d\u7684\u7406\u89e3\u3002<\/p>\n\n\n\n\n\n<section    class=\"c-cta-band c-cta-band--color-light c-cta-band--mt-default c-cta-band--mb-default c-cta-band--pt-default c-cta-band--pb-default 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id=\"c-cta-band__text--block_c51a875a845d526aec4383edc7b91e09\">\n                            \n<h2  class=\"c-cta-band__headline o-headline o-headline--h2 s-medium\"\n    >\n  <b>We Love to Talk About Java<\/b><\/h2>\n            \n                            \n<div  class=\"c-cta-band__description o-description o-description--body s-wysiwyg s-wysiwyg--description\"\n\n  >\n  <p>We\u2019re here to answer any questions about Azul products, Java, pricing, or anything else.<\/p>\n<\/div>\n                    <\/div>\n\n                    <div class=\"c-cta-band__cta\">\n                \n<a  class=\"c-cta-band__cta-btn o-button o-button--teal-900 o-button--solid\"\n\n  data-cta-band-modal-id=\"cta-band-form-modal-block_c51a875a845d526aec4383edc7b91e09\" href='https:\/\/www.azul.com\/contact\/?blog-03-30-23' target=''\n  >\n  \n  \n  <span class=\"o-button__label\">\u8054\u7cfb\u6211\u4eec<\/span>\n\n  \n  <\/a>\n            <\/div>\n        \n            <\/div>\n<\/div>\n\n\n          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