{"id":411177,"date":"2024-02-21T19:18:48","date_gmt":"2024-02-21T11:18:48","guid":{"rendered":"https:\/\/www.idc.net\/help\/411177\/"},"modified":"2024-02-21T19:18:48","modified_gmt":"2024-02-21T11:18:48","slug":"java%e9%9d%a2%e8%af%95%e9%a2%98%e4%b8%80","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/411177\/","title":{"rendered":"Java\u9762\u8bd5\u9898\u4e00"},"content":{"rendered":"

l    JBS <\/p>\n

1.\u5217\u4e3e\u51fa 10\u4e2aJAVA\u8bed\u8a00\u7684\u4f18\u52bf <\/p>\n

a:\u514d\u8d39\uff0c\u5f00\u6e90\uff0c\u8de8\u5e73\u53f0(\u5e73\u53f0\u72ec\u7acb\u6027)\uff0c\u7b80\u5355\u6613\u7528\uff0c\u529f\u80fd\u5b8c\u5584\uff0c\u9762\u5411\u5bf9\u8c61\uff0c\u5065\u58ee\u6027\uff0c\u591a\u7ebf\u7a0b\uff0c\u7ed3\u6784\u4e2d\u7acb\uff0c\u4f01\u4e1a\u5e94\u7528\u7684\u6210\u719f\u5e73\u53f0, \u65e0\u7ebf\u5e94\u7528 <\/p>\n

2.\u5217\u4e3e\u51faJAVA\u4e2d10\u4e2a\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u672f\u8bed <\/p>\n

a:\u5305\uff0c\u7c7b\uff0c\u63a5\u53e3\uff0c\u5bf9\u8c61\uff0c\u5c5e\u6027\uff0c\u65b9\u6cd5\uff0c\u6784\u9020\u5668\uff0c\u7ee7\u627f\uff0c\u5c01\u88c5\uff0c\u591a\u6001\uff0c\u62bd\u8c61\uff0c\u8303\u578b <\/p>\n

3.\u5217\u4e3e\u51faJAVA\u4e2d6\u4e2a\u6bd4\u8f83\u5e38\u7528\u7684\u5305 <\/p>\n

Java.lang;java.util;java.io;java.sql;java.awt;java.net;java.applet;javax.swing <\/p>\n

4.JAVA\u4e2d\u7684\u6807\u8bc6\u7b26\u6709\u4ec0\u4e48\u4f5c\u7528\u548c\u7279\u70b9 <\/p>\n

\u4f5c\u7528\uff1a\u6807\u8bc6\u7b26\u7528\u4f5c\u7ed9\u53d8\u91cf\u3001\u7c7b\u548c\u65b9\u6cd5\u547d\u540d <\/p>\n

\u7279\u70b9\uff1a\u53ef\u4ee5\u4ee5\u5b57\u6bcd\u3001\u4e0b\u5212\u7ebf\u201c_\u201d\u548c\u201d$\u201d\u7b26\u5f00\u5934 <\/p>\n

\u9996\u5b57\u7b26\u5916\uff0c\u53ef\u4ee5\u8ddf\u4e0a\u5b57\u6bcd\u3001\u4e0b\u5212\u7ebf\u201c_\u201d\u548c\u201d$\u201d\u7b26\u6216\u6570\u5b57 <\/p>\n

Java\u662f\u5927\u5c0f\u5199\u654f\u611f\u7684\uff0c\u6807\u8bc6\u7b26\u4e5f\u4e0d\u4f8b\u5916 <\/p>\n

5.JAVA\u4e2d\u7684\u5173\u952e\u5b57\u6709\u4ec0\u4e48\u7279\u70b9,\u5217\u4e3e\u51fa\u81f3\u5c1120\u4e2a\u5173\u952e\u5b57 <\/p>\n

Java\u4e2d\u4e00\u4e9b\u8d4b\u4ee5\u7279\u5b9a\u7684\u542b\u4e49\u3001\u5e76\u7528\u505a\u4e13\u95e8\u7528\u9014\u7684\u5355\u8bcd\u79f0\u4e3a\u5173\u952e\u5b57\uff08keyword\uff09 <\/p>\n

\u6240\u6709Java\u5173\u952e\u5b57\u90fd\u662f\u5c0f\u5199\u7684\uff0cTURE\u3001FALSE\u3001NULL\u7b49\u90fd\u4e0d\u662fJava\u5173\u952e\u5b57 \uff1b <\/p>\n

goto\u548cconst \u867d\u7136\u4ece\u672a\u88ab\u4f7f\u7528\uff0c\u4f46\u4e5f\u4f5c\u4e3aJava\u5173\u952e\u5b57\u4fdd\u7559\uff1b <\/p>\n

\u2022          \u4e2d\u4e00\u5171\u670951\u4e2a\u5173\u952e\u5b57Java <\/p>\n

abstract assert boolean break byte continue <\/p>\n

case catch char class const double <\/p>\n

default do extends else final float <\/p>\n

for goto long if implements import <\/p>\n

native new null instanceof int interface <\/p>\n

package private protected public return short <\/p>\n

static strictfp super switch synchronized this <\/p>\n

while void throw throws transient try <\/p>\n

volatile          <\/p>\n<\/p>\n

        6.JAVA\u4e2d\u6570\u636e\u7c7b\u578b\u5982\u4f55\u5206\u7c7b\uff1f <\/p>\n<\/p>\n

\u53ef\u5206\u4e3a\u7b80\u5355\u6570\u636e\u7c7b\u578b\u548c\u5f15\u7528\u6570\u636e\u7c7b\u578b: <\/p>\n

\u7b80\u5355\u6570\u636e\u7c7b\u578b\uff1a\u6570\u503c\u578b\uff08byte,short,int,long,float double)\uff0c\u5b57\u7b26\u578b(char)\uff0c\u5e03\u5c14\u578b(boolean); <\/p>\n

\u5f15\u7528\u6570\u636e\u7c7b\u578b\uff1a\u7c7b\uff0c\u63a5\u53e3\uff0c\u6570\u7ec4. <\/p>\n

7.JAVA\u4e2d\u8fd0\u7b97\u7b26\u7684\u5206\u7c7b\u53ca\u4e3e\u4f8b <\/p>\n

\u2022          \u5206\u5272\u7b26\uff1a,\uff0c;\uff0c[]\uff0c() <\/p>\n

\u2022          \u7b97\u672f\u8fd0\u7b97\u7b26: +\uff0c <\/p>\n

\u3010\u7f16\u8f91\u63a8\u8350\u3011<\/p>\n

    \n
  1. IT\u804c\u573a\u57f9\u8bad \u7a0b\u5e8f\u5458Java\u9762\u8bd5\u4e2d\u768432\u4e2a\u9677\u9631<\/font><\/li>\n
  2. 1.2.2 \u4f53\u9a8cJava\u7a0b\u5e8f\u5f00\u53d1\uff081\uff09<\/font><\/li>\n
  3. 4.1.1 Java\u7a0b\u5e8f\u7ed3\u6784\uff081\uff09<\/font><\/li>\n
  4. 1.2.1 \u642d\u5efaJava\u5f00\u53d1\u73af\u5883\uff081\uff09<\/font><\/li>\n
  5. Java SE\u5b9e\u8df5\u6559\u7a0b \u76ee\u5f55<\/font><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    l    JBS 1.\u5217\u4e3e\u51fa 10\u4e2aJAVA\u8bed\u8a00\u7684\u4f18\u52bf a:\u514d\u8d39\uff0c\u5f00\u6e90\uff0c\u8de8\u5e73\u53f0(\u5e73\u53f0\u72ec\u7acb\u6027 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-411177","post","type-post","status-publish","format-standard","hentry","category-website"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/411177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=411177"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/411177\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=411177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=411177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=411177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}