{"id":36707,"date":"2024-11-26T16:32:00","date_gmt":"2024-11-26T08:32:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36707\/"},"modified":"2024-11-26T16:32:00","modified_gmt":"2024-11-26T08:32:00","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%a3%b0%e6%98%8e","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36707\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u58f0\u660e"},"content":{"rendered":"

\n java \u6570\u7ec4\u58f0\u660e\u8bed\u6cd5\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\u957f\u5ea6]\u3002\u6570\u7ec4\u5143\u7d20\u4ece 0 \u5f00\u59cb\u7d22\u5f15\uff0c\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u540d[\u7d22\u5f15]\u8bbf\u95ee\u3002\u6570\u7ec4\u53ef\u4ee5\u521d\u59cb\u5316\u5143\u7d20\u503c\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}\u3002\u6ce8\u610f\uff1a\u6570\u7ec4\u957f\u5ea6\u4e0d\u53ef\u53d8\uff0c\u5143\u7d20\u9ed8\u8ba4\u503c\u4e3a\u6570\u636e\u7c7b\u578b\u9ed8\u8ba4\u503c\uff0c\u8d85\u51fa\u8fb9\u754c\u8bbf\u95ee\u5143\u7d20\u4f1a\u629b\u51fa\u5f02\u5e38\u3002\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u600e\u4e48\u58f0\u660e\u63d2\u56fe\"<\/p>\n

Java \u6570\u7ec4\u58f0\u660e<\/strong><\/p>\n

Java \u4e2d\u58f0\u660e\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\u957f\u5ea6];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  •  \u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u5982 int\u3001double\u3001String \u7b49\u3002<\/li>\n
  •  \u6570\u7ec4\u540d\uff1a<\/strong>\u6570\u7ec4\u7684\u540d\u79f0\uff0c\u7528\u4e8e\u5f15\u7528\u6570\u7ec4\u3002<\/li>\n
  •  \u6570\u7ec4\u957f\u5ea6\uff1a<\/strong>\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff1a<\/strong><\/p>\n
    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    int[] numbers = new int[5];\nString[] names = new String[3];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee<\/strong><\/p>\n
    \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u8bbf\u95ee\u3002\u7d22\u5f15\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002<\/p>\n
    \/\/ \u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\nint firstNumber = numbers[0];\n\n\/\/ \u8bbf\u95ee\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\nString lastNumber = names[names.length - 1];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong><\/p>\n
    \u58f0\u660e\u6570\u7ec4\u540e\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5927\u62ec\u53f7\u521d\u59cb\u5316\u5143\u7d20\u503c\u3002<\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\nString[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
      \n
    • \u6570\u7ec4\u7684\u957f\u5ea6\u4e00\u65e6\u58f0\u660e\u540e\u5c31\u4e0d\u80fd\u6539\u53d8\u3002<\/li>\n
    • \u6570\u7ec4\u5143\u7d20\u9ed8\u8ba4\u521d\u59cb\u5316\u4e3a\u8be5\u6570\u636e\u7c7b\u578b\u7684\u9ed8\u8ba4\u503c\uff08\u5982 int \u4e3a 0\uff0cString \u4e3a null\uff09\u3002<\/li>\n
    • \u5f53\u8bbf\u95ee\u8d85\u51fa\u6570\u7ec4\u8fb9\u754c\uff08\u8d1f\u7d22\u5f15\u6216\u5927\u4e8e\u6570\u7ec4\u957f\u5ea6\uff09\u7684\u5143\u7d20\u65f6\uff0c\u4f1a\u629b\u51fa ArrayIndexOutOfBoundsException \u5f02\u5e38\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u58f0\u660e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      java \u6570\u7ec4\u58f0\u660e\u8bed\u6cd5\uff1a\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\u957f\u5ea6]\u3002\u6570\u7ec4\u5143\u7d20\u4ece 0 \u5f00\u59cb\u7d22\u5f15\uff0c\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u540d[\u7d22\u5f15]\u8bbf\u95ee\u3002\u6570\u7ec4\u53ef\u4ee5\u521d\u59cb\u5316\u5143\u7d20\u503c\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5}\u3002\u6ce8\u610f\uff1a\u6570\u7ec4\u957f\u5ea6\u4e0d\u53ef\u53d8\uff0c\u5143\u7d20\u9ed8\u8ba4\u503c\u4e3a\u6570\u636e\u7c7b\u578b\u9ed8\u8ba4\u503c\uff0c\u8d85\u51fa\u8fb9\u754c\u8bbf\u95ee\u5143\u7d20\u4f1a\u629b\u51fa\u5f02\u5e38\u3002 Java \u6570\u7ec4\u58f0\u660e Java \u4e2d\u58f0\u660e\u6570\u7ec4\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u6570\u7ec4\u957f\u5ea6]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u5982 int\u3001double\u3001String \u7b49\u3002 \u6570\u7ec4\u540d\uff1a\u6570\u7ec4\u7684\u540d\u79f0\uff0c\u7528\u4e8e\u5f15\u7528\u6570\u7ec4\u3002 \u6570\u7ec4\u957f\u5ea6\uff1a\u6307\u5b9a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002 \u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] numbers = new int[5]; String[] names = new String[3]; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee \u6570\u7ec4\u5143\u7d20\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u8bbf\u95ee\u3002\u7d22\u5f15\u662f\u4ece 0 \u5f00\u59cb\u7684\u3002 \/\/ \u8bbf\u95ee\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20 int firstNumber = numbers[0]; \/\/ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-36707","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=36707"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36707\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}