{"id":38892,"date":"2023-12-11T14:45:48","date_gmt":"2023-12-11T06:45:48","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=38892"},"modified":"2023-12-11T14:45:48","modified_gmt":"2023-12-11T06:45:48","slug":"int%e5%92%8cinteger%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/int%e5%92%8cinteger%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab%ef%bc%9f\/","title":{"rendered":"int\u548cInteger\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1a\u6570\u636e\u7c7b\u578b<\/p>\n

Java\u662f\u4e00\u4e2a\u8fd1\u4e4e\u7eaf\u6d01\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f46\u662f\u4e3a\u4e86\u7f16\u7a0b\u7684\u65b9\u4fbf\u8fd8\u662f\u5f15\u5165\u4e86\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u4f46\u662f\u4e3a\u4e86\u80fd\u591f\u5c06\u8fd9\u4e9b\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5f53\u6210\u5bf9\u8c61\u64cd\u4f5c\uff0cJava\u4e3a\u6bcf\u4e00\u4e2a\u57fa\u672c\u6570\u636e\u7c7b\u578b\u90fd\u5f15\u5165\u4e86\u5bf9\u5e94\u7684\u5305\u88c5\u7c7b\u578b\uff08wrapper class\uff09\uff0cint\u7684\u5305\u88c5\u7c7b\u5c31\u662fInteger\uff0c\u4eceJava 5\u5f00\u59cb\u5f15\u5165\u4e86\u81ea\u52a8\u88c5\u7bb1\/\u62c6\u7bb1\u673a\u5236\uff0c\u4f7f\u5f97\u4e8c\u8005\u53ef\u4ee5\u76f8\u4e92\u8f6c\u6362\u3002
\nJava \u4e3a\u6bcf\u4e2a\u539f\u59cb\u7c7b\u578b\u63d0\u4f9b\u4e86\u5305\u88c5\u7c7b\u578b\uff1a
\n– \u539f\u59cb\u7c7b\u578b: boolean\uff0cchar\uff0cbyte\uff0cshort\uff0cint\uff0clong\uff0cfloat\uff0cdouble
\n– \u5305\u88c5\u7c7b\u578b\uff1aBoolean\uff0cCharacter\uff0cByte\uff0cShort\uff0cInteger\uff0cLong\uff0cFloat\uff0cDouble<\/p>\n

\u5982\uff1a<\/p>\n

<pre><code>class AutoUnboxingTest {
\n public static void main(String[] args) {
\n Integer a = new Integer(3);
\n Integer b = 3; \/\/ \u5c063\u81ea\u52a8\u88c5\u7bb1\u6210Integer\u7c7b\u578b
\n int c = 3;
\n System.out.println(a == b); \/\/ false \u4e24\u4e2a\u5f15\u7528\u6ca1\u6709\u5f15\u7528\u540c\u4e00\u5bf9\u8c61
\n System.out.println(a == c); \/\/ true a\u81ea\u52a8\u62c6\u7bb1\u6210int\u7c7b\u578b\u518d\u548cc\u6bd4\u8f83
\n }
\n}
\n<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1a\u6570\u636e\u7c7b\u578b Java\u662f\u4e00\u4e2a\u8fd1\u4e4e\u7eaf\u6d01\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f46\u662f\u4e3a\u4e86\u7f16\u7a0b\u7684\u65b9\u4fbf […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-38892","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=38892"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38892\/revisions"}],"predecessor-version":[{"id":38893,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38892\/revisions\/38893"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=38892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=38892"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=38892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}