Java package<\/h1>\n<\/p><\/div>\n

\n java package<\/b>\u662f\u4e00\u7ec4\u76f8\u4f3c\u7c7b\u578b\u7684\u7c7b\uff0c\u63a5\u53e3\u548c\u5b50package\u3002\n <\/div>\n
\n java\u4e2d\u7684\u7a0b\u5e8f\u5305\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u5f62\u5f0f: \u5185\u7f6epackage\u548c\u7528\u6237\u5b9a\u4e49package\u3002\n <\/div>\n
\n \u6709\u5f88\u591a\u5185\u7f6epackage\uff0c\u4f8b\u5982java\uff0clang\uff0cawt\uff0cjavax\uff0cswing\uff0cnet\uff0cio\uff0cutil\uff0csql\u7b49\u3002\n <\/div>\n
\n \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u5b66\u4e60\u521b\u5efa\u548c\u4f7f\u7528\u7528\u6237\u5b9a\u4e49\u5305\u7684\u8fc7\u7a0b\u3002\n <\/div>\n
Java package\u7684\u4f18\u70b9<\/h2>\n
\n 1)Java package\u7528\u4e8e\u5bf9\u7c7b\u548c\u63a5\u53e3\u8fdb\u884c\u5206\u7c7b\uff0c\u4ee5\u4fbf\u4e8e\u7ef4\u62a4\u3002\n <\/div>\n
\n 2)Java package\u63d0\u4f9b\u8bbf\u95ee\u4fdd\u62a4\u3002\n <\/div>\n
\n 3)Java package\u6d88\u9664\u4e86\u547d\u540d\u51b2\u7a81\u3002\n <\/div>\n
$Java package_https:\/\/bianchenghao6.com_\u3010Java \u57fa\u7840\u6559\u7a0b\u3011_\u7b2c1\u5f20$ <\/p>\n
\n
<\/p>\n
java package\u7684\u7b80\u5355\u793a\u4f8b<\/h2>\n
\n package<\/b>\u5173\u952e\u5b57\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u7528Java\u6253\u5305\u3002\n <\/div>\n
\n
package <\/span>mypack; public <\/span>class <\/span>Simple{ public <\/span>static void <\/span>main(String args[]){ System.out.println<\/span>(\"Welcome to package\"<\/span>); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\u5982\u4f55\u7f16\u8bd1Java\u5305<\/h2>\n\n \u5982\u679c\u4e0d\u4f7f\u7528\u4efb\u4f55IDE\uff0c\u5219\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u7ed9\u51fa\u7684 \n \u8bed\u6cd5<\/b>:\n <\/div>\n\n javac -d directory javafilename <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u5bf9\u4e8e \n \u793a\u4f8b<\/b>\n <\/div>\n\n javac -d . Simple.java <\/span><\/code><\/pre>\n<\/p><\/div>\n\n -d\u5f00\u5173\u6307\u5b9a\u5c06\u751f\u6210\u7684\u7c7b\u6587\u4ef6\u653e\u5165\u7684\u76ee\u6807\u4f4d\u7f6e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u76ee\u5f55\u540d\u79f0\uff0c\u4f8b\u5982\/home(\u5bf9\u4e8eLinux)\uff0cd: \/abc(\u5bf9\u4e8eWindows)\u7b49\u3002\u5982\u679c\u8981\u5c06\u8f6f\u4ef6\u5305\u4fdd\u7559\u5728\u540c\u4e00\u76ee\u5f55\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528.(\u70b9)\u3002\n <\/div>\n \n\u5982\u4f55\u8fd0\u884cJava\u5305\u7a0b\u5e8f<\/h2>\n\n \u60a8\u9700\u8981\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u7684\u540d\u79f0\uff0c\u4f8b\u5982mypack.Simple\u7b49\u8fd0\u884c\u7c7b\u3002\n <\/div>\n \n\n \u8981\u7f16\u8bd1: <\/strong> javac -d . Simple.java\n <\/div>\n\n \u8981\u8fd0\u884c: <\/strong> java mypack.Simple\n <\/div>\n\n Output:Welcome to package <\/span><\/code><\/pre>\n<\/p><\/div>\n\n -d\u662f\u4e00\u4e2a\u5f00\u5173\uff0c\u5b83\u544a\u8bc9\u7f16\u8bd1\u5668\u5c06\u7c7b\u6587\u4ef6\u653e\u5728\u54ea\u91cc\uff0c\u5373\u5b83\u8868\u793a\u76ee\u6807\u4f4d\u7f6e\u3002\u7684\u3002\u4ee3\u8868\u5f53\u524d\u6587\u4ef6\u5939\u3002\n <\/div>\n \n\u5982\u4f55\u4ece\u5176\u4ed6\u8f6f\u4ef6\u5305\u8bbf\u95ee\u8f6f\u4ef6\u5305\uff1f<\/h2>\n\n \u6709\u4e09\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4ece\u5916\u90e8\u8bbf\u95ee\u8f6f\u4ef6\u5305\u5305\u3002\n <\/div>\n import package.*; <\/span> \n import package.classname; <\/span> \n \u5b8c\u5168\u9650\u5b9a\u7684\u540d\u79f0\u3002<\/span> <\/p>\n 1)\u4f7f\u7528package.* <\/h3>\n\n \u5982\u679c\u4f7f\u7528\u7a0b\u5e8f\u5305\u3002*\uff0c\u5219\u53ef\u4ee5\u8bbf\u95ee\u8be5\u7a0b\u5e8f\u5305\u7684\u6240\u6709\u7c7b\u548c\u63a5\u53e3\uff0c\u4f46\u4e0d\u80fd\u8bbf\u95ee\u5b50\u7a0b\u5e8f\u5305\u3002\n <\/div>\n\n import\u5173\u952e\u5b57\u7528\u4e8e\u4f7f\u5f53\u524d\u7a0b\u5e8f\u5305\u53ef\u4ee5\u8bbf\u95ee\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u5305\u7684\u7c7b\u548c\u63a5\u53e3\u3002\n <\/div>\n <\/p>\n import package.*\u793a\u4f8b<\/h2>\n\n \/\/save by A.javapackage <\/span>pack; public <\/span>class <\/span>A{ public void <\/span>msg(){ System.out.println<\/span>(\"Hello\"<\/span>); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \/\/save by B.javapackage <\/span>mypack; import pack.*; class <\/span>B{ public <\/span>static void <\/span>main(String args[]){ A obj = new <\/span>A(); obj.msg<\/span>(); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n Output:Hello <\/span><\/code><\/pre>\n<\/p><\/div>\n \n <\/p>\n 2)\u4f7f\u7528packagename.classname <\/h3>\n\n \u5982\u679c\u5bfc\u5165package.classname\uff0c\u5219\u4ec5\u6b64\u5305\u7684\u58f0\u660e\u7c7b\n <\/div>\nimport packagename.classname\u793a\u4f8b<\/h2>\n\n \/\/save by A.javapackage <\/span>pack; public <\/span>class <\/span>A{ public void <\/span>msg(){ System.out.println<\/span>(\"Hello\"<\/span>); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \/\/save by B.javapackage <\/span>mypack; import pack.A; class <\/span>B{ public <\/span>static void <\/span>main(String args[]){ A obj = new <\/span>A(); obj.msg<\/span>(); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n Output:Hello <\/span><\/code><\/pre>\n<\/p><\/div>\n \n <\/p>\n 3)\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u7684\u540d\u79f0<\/h3>\n\n \u5982\u679c\u60a8\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u7684\u540d\u79f0\uff0c\u5219\u4ec5\u6b64\u5305\u7684\u58f0\u660e\u7c7b\u6613\u4e8e\u8bbf\u95ee\u3002\u73b0\u5728\uff0c\u65e0\u9700\u5bfc\u5165\u3002\u4f46\u662f\u6bcf\u6b21\u8bbf\u95ee\u7c7b\u6216\u63a5\u53e3\u65f6\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u7684\u540d\u79f0\u3002\n <\/div>\n\n \u901a\u5e38\u5728\u4e24\u4e2a\u5305\u5177\u6709\u76f8\u540c\u7684\u7c7b\u540d\u79f0(\u4f8b\u5982\uff0c java.util\u548cjava.sql\u7a0b\u5e8f\u5305\u5305\u542bDate\u7c7b\u3002\n <\/div>\n\u901a\u8fc7\u5bfc\u5165\u5b8c\u5168\u9650\u5b9a\u540d\u79f0\u7684\u7a0b\u5e8f\u5305\u793a\u4f8b<\/h2>\n\n \/\/save by A.javapackage <\/span>pack; public <\/span>class <\/span>A{ public void <\/span>msg(){ System.out.println<\/span>(\"Hello\"<\/span>); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \/\/save by B.javapackage <\/span>mypack; class <\/span>B{ public <\/span>static void <\/span>main(String args[]){ pack.A obj = new <\/span>pack.A<\/span>(); \/\/using fully qualified name obj.msg<\/span>(); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n Output:Hello <\/span><\/code><\/pre>\n<\/p><\/div>\n\n\n \u6ce8\u610f: <\/span>\u5982\u679c\u60a8\u5bfc\u5165\u8f6f\u4ef6\u5305\uff0c\u5219\u4e0d\u4f1a\u5bfc\u5165\u5b50\u8f6f\u4ef6\u5305\u3002\n <\/div>\n<\/h3>\n\n \u5982\u679c\u5bfc\u5165\u5305\uff0c\u5219\u5c06\u5bfc\u5165\u8be5\u5305\u7684\u6240\u6709\u7c7b\u548c\u63a5\u53e3\uff0c\u4f46\u4e0d\u5305\u62ec\u5b50\u5305\u7684\u7c7b\u548c\u63a5\u53e3\u3002\u56e0\u6b64\uff0c\u60a8\u8fd8\u9700\u8981\u5bfc\u5165\u5b50\u5305\u3002\n <\/div>\n \n\n \u6ce8\u610f:<\/strong> \u7a0b\u5e8f\u7684\u987a\u5e8f\u5fc5\u987b\u5148\u6253\u5305\uff0c\u7136\u540e\u518d\u5bfc\u5165\uff0c\u7136\u540e\u518d\u7c7b\u3002\n <\/div>\n <\/p>\n \n <\/p>\n java\u4e2d\u7684\u5b50\u5305<\/h2>\n\n \u8be5\u5305\u4e2d\u7684\u5305\u79f0\u4e3a \n \u5b50\u5305<\/b>\u3002\u5e94\u8be5\u521b\u5efa\u5b83 \n \u4ee5\u4fbf\u5bf9\u8be5\u8f6f\u4ef6\u5305\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5206\u7c7b<\/b>\u3002\n <\/div>\n\n \u8ba9\u6211\u4eec\u4e3e\u4e2a\u4f8b\u5b50\uff0cSun Microsystem\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3ajava\u7684\u8f6f\u4ef6\u5305\uff0c\u5176\u4e2d\u5305\u542b\u8bb8\u591a\u7c7b\uff0c\u4f8b\u5982System\uff0cString\uff0cReader\uff0cWriter\uff0c\u5957\u63a5\u5b57\u7b49\u3002\u8fd9\u4e9b\u7c7b\u8868\u793a\u7279\u5b9a\u7684\u7ec4\uff0c\u4f8b\u5982Reader\u548cWriter\u7c7b\u7528\u4e8e\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\uff0cSocket\u548cServerSocket\u7c7b\u7528\u4e8e\u7f51\u7edc\u7b49\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002\u56e0\u6b64\uff0cSun\u5c06Java\u5305\u7ec6\u5206\u4e3alang\uff0cnet\uff0cio\u7b49\u5b50\u5305\uff0c\u5e76\u5c06\u4e0eInput\/Output\u76f8\u5173\u7684\u7c7b\u653e\u5728io\u5305\u4e2d\uff0c\u5c06Server\u548cServerSocket\u7c7b\u653e\u5728net\u5305\u4e2d\uff0c\u7b49\u7b49\u3002\n <\/div>\n\n \u5b9a\u4e49\u5305\u7684\u6807\u51c6\u662fdomain.company.package\uff0c\u4f8b\u5982com.lidihuo.bean\u6216org.sssit.dao\u3002<\/strong>\n <\/div>\n\u5b50\u5305\u793a\u4f8b<\/h3>\n\n package <\/span>com.lidihuo.core; class <\/span>Simple{ public <\/span>static void <\/span>main(String args[]){ System.out.println<\/span>(\"Hello subpackage\"<\/span>); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n\n\n\n \u8981\u7f16\u8bd1: <\/strong> javac -d . Simple.java <\/td>\n<\/tr>\n \u8981\u8fd0\u884c: <\/strong> java com.lidihuo.core.Simple <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n Output:Hello subpackage <\/span><\/code><\/pre>\n<\/p><\/div>\n \n\u5982\u4f55\u5c06\u7c7b\u6587\u4ef6\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u76ee\u5f55\u6216\u9a71\u52a8\u5668\uff1f<\/h2>\n\n \u6709\u4e00\u79cd\u60c5\u51b5\uff0c\u6211\u60f3\u5c06A.java\u6e90\u6587\u4ef6\u7684\u7c7b\u6587\u4ef6\u653e\u5165c: \u9a71\u52a8\u5668\u7684classes\u6587\u4ef6\u5939\u4e2d\u3002\u4f8b\u5982:\n <\/div>\n <\/p>\n \n \/\/save as Simple.javapackage <\/span>mypack; public <\/span>class <\/span>Simple{ public <\/span>static void <\/span>main(String args[]){ System.out.println<\/span>(\"Welcome to package\"<\/span>); } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\u8981\u7f16\u8bd1: <\/h3>\n\n e:\\sources > javac -d c:\\classes Simple.java <\/strong>\n <\/div>\n\u8fd0\u884c: <\/h3>\n\n \u8981\u4ecee:\\source\u76ee\u5f55\u8fd0\u884c\u6b64\u7a0b\u5e8f\uff0c\u60a8\u9700\u8981\u8bbe\u7f6e\u7c7b\u6587\u4ef6\u6240\u5728\u76ee\u5f55\u7684\u7c7b\u8def\u5f84\u3002\n <\/div>\n\n e:\\sources> set classpath = c:\\classes;\u3002;\n <\/div>\n\n e:\\sources> java mypack.Simple\n <\/div>\n\u901a\u8fc7Java -classpath\u5f00\u5173\u8fd0\u884c\u8be5\u7a0b\u5e8f\u7684\u53e6\u4e00\u79cd\u65b9\u5f0f: <\/h3>\n\n -classpath\u5f00\u5173\u53ef\u4ee5\u662f\n <\/div>\n\n \u8981\u4ecee:\\source\u76ee\u5f55\u8fd0\u884c\u6b64\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528java -classpath\u5f00\u5173\u6765\u544a\u8bc9\u8981\u5728\u54ea\u91cc\u67e5\u627e\u7c7b\u6587\u4ef6\u3002\u4f8b\u5982:\n <\/div>\n\n e:\\sources> java -classpath c:\\classes mypack.Simple <\/strong>\n <\/div>\n\n Output:Welcome to package <\/span><\/code><\/pre>\n<\/p><\/div>\n \n\u52a0\u8f7d\u7c7b\u6587\u4ef6\u6216jar\u6587\u4ef6\u7684\u65b9\u5f0f<\/h3>\n\n \u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4e34\u65f6\u548c\u6c38\u4e45\u52a0\u8f7d\u7c7b\u6587\u4ef6\u3002\n <\/div>\n \u4e34\u65f6 \u901a\u8fc7\u5728\u547d\u4ee4\u63d0\u793a\u7b26\u4e0b\u8bbe\u7f6e\u7c7b\u8def\u5f84<\/span> \u901a\u8fc7-classpath\u5207\u6362<\/span> <\/span> \n \u6c38\u4e45 \u901a\u8fc7\u5728\u73af\u5883\u53d8\u91cf\u4e2d\u8bbe\u7f6e\u7c7b\u8def\u5f84<\/span> \u901a\u8fc7\u521b\u5efa\u5305\u542b\u6240\u6709\u7c7b\u6587\u4ef6\u7684jar\u6587\u4ef6\uff0c\u5e76\u5c06jar\u6587\u4ef6\u590d\u5236\u5230jre\/lib\/ext\u6587\u4ef6\u5939\u4e2d\u3002 <\/span> <\/span> <\/p>\n \n\n\n \u6ce8\u610f: <\/span>java\u6e90\u6587\u4ef6\u4e2d\u53ea\u80fd\u6709\u4e00\u4e2a\u516c\u5171\u7c7b\uff0c\u5e76\u4e14\u5fc5\u987b\u4f7f\u7528\u516c\u5171\u7c7b\u540d\u79f0\u4fdd\u5b58\u3002\n <\/div>\n<\/h3>\n\n \/\/save as C.java otherwise Compilte Time Errorclass <\/span>A{ } class <\/span>B{ } public <\/span>class <\/span>C{ } <\/span><\/code><\/pre>\n<\/p><\/div>\n \n <\/p>\n \u5982\u4f55\u5c06\u4e24\u4e2a\u516c\u5171\u7c7b\u653e\u5165\u4e00\u4e2a\u5305\u4e2d\uff1f <\/h3>\n\n \u5982\u679c\u8981\u5728\u4e00\u4e2a\u7a0b\u5e8f\u5305\u4e2d\u653e\u5165\u4e24\u4e2a\u516c\u5171\u7c7b\uff0c\u8bf7\u6709\u4e24\u4e2a\u5305\u542b\u4e00\u4e2a\u516c\u5171\u7c7b\u7684Java\u6e90\u6587\u4ef6\uff0c\u4f46\u8981\u4fdd\u6301\u7a0b\u5e8f\u5305\u540d\u79f0\u4e0d\u53d8\u3002\u4f8b\u5982:\n <\/div>\n\n \/\/save as A.javapackage <\/span>lidihuo; public <\/span>class <\/span>A{ } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \/\/save as B.javapackage <\/span>lidihuo; public <\/span>class <\/span>B{ } <\/span><\/code><\/pre>\n<\/p><\/div>\n \n <\/p>\n Java5\u7684\u9759\u6001\u5bfc\u5165\u529f\u80fd\u662f\u4ec0\u4e48\uff1f <\/h3>\n\n \u70b9\u51fbJava5\u7684\u9759\u6001\u5bfc\u5165\u529f\u80fd\u3002\n <\/div>\n \n <\/body> \n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"Java packagezh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[111],"tags":[],"class_list":["post-726","post","type-post","status-publish","format-standard","hentry","category-java-jichu"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/726"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=726"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/726\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}