{"id":453,"date":"2021-01-17T18:18:58","date_gmt":"2021-01-17T10:18:58","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=453"},"modified":"2021-01-27T14:19:40","modified_gmt":"2021-01-27T06:19:40","slug":"%e5%8f%98%e9%87%8f%e7%9a%84%e4%bd%9c%e7%94%a8%e5%9f%9f","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-453.html","title":{"rendered":"\u53d8\u91cf\u7684\u4f5c\u7528\u57df"},"content":{"rendered":"\n
1.\u6982\u5ff5\uff1a<\/h5>\n\n\n\n

\u4f5c\u7528\u57df\uff0c\u53ef\u4ee5\u7b80\u5355\u7684\u7406\u89e3\u4e3a\u6709\u9650\u8303\u56f4<\/p>\n\n\n\n

\u53d8\u91cf\u5728\u540c\u4e00\u4e2a {} \u4e2d\uff0c\u5c31\u662f\u540c\u4e00\u4e2a\u4f5c\u7528\u57df\u4e2d<\/p>\n\n\n\n

2.\u76f8\u540c\u4f5c\u7528\u57df\u5185\uff0c\u53d8\u91cf\u4e0d\u53ef\u91cd\u540d<\/h5>\n\n\n\n

1.\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u5199\u6cd5\u662f\u9519\u8bef\u7684\uff0c\u53d8\u91cfa \u91cd\u540d\u4e86<\/p>\n\n\n\n

int a = 2;\nint a = 3;<\/code><\/pre>\n\n\n\n
2.\u6570\u636e\u7c7b\u578b\u4e0d\u540c\uff0c\u4e5f\u4e0d\u53ef\u4ee5<\/p>\n\n\n\n
int i =1;\r\nString i = \"i\";<\/code><\/pre>\n\n\n\n
3.\u4e0b\u9762\u7684\u53d8\u91cf\u4e0d\u5728\u540c\u4e00\u4e2a\u4f5c\u7528\u57df\uff0c\u4f46 Java \u5c40\u90e8\u53d8\u91cf\u4e0d\u53ef\u4ee5\u5d4c\u5957\uff0c\u6545\u4e5f\u662f\u9519\u8bef\u7684<\/p>\n\n\n\n
int a = 2;\n{\n  int a =3;\n}<\/code><\/pre>\n\n\n\n
4.\u5c40\u90e8\u53d8\u91cf\uff0c\u53ef\u4ee5\u4ea4\u66ff\u91cd\u540d\uff0c\u4f46\u4e0d\u662f\u771f\u7684\u91cd\u540d\uff0c\u56e0\u4e3a 2 \u4e2a a \u4e0d\u540c\u65f6\u5b58\u5728<\/p>\n\n\n\n
{\r\n\tint a = 2;\r\n}\r\nint  a = 3;<\/code><\/pre>\n\n\n\n
5.Java \u7684\u4e0d\u540c\u4f5c\u7528\u57df\u53ef\u91cd\u540d\uff0c\u6307\u7684\u662f\u7c7b\u76846\u79cd\u5185\u5bb9\uff0c<\/p>\n\n\n\n
  1. \u6210\u5458\u53d8\u91cf<\/li>
  2. \u6784\u9020\u65b9\u6cd5<\/li>
  3. \u6210\u5458\u65b9\u6cd5<\/li>
  4. \u9759\u6001\u4ee3\u7801\u5757<\/li>
  5. \u975e\u9759\u6001\u4ee3\u7801\u5757<\/li>
  6. \u5b50\u7c7b<\/li><\/ol>\n\n\n\n
    3.\u8d85\u51fa\u4f5c\u7528\u57df\u7684\u53d8\u91cf\u540d\uff0c \u4e0d\u8d77\u4f5c\u7528<\/h5>\n\n\n\n
    \u4f8b\u5982\uff0c\u4e0b\u9762\u7684 a, b\u4e0d\u5728\u540c\u4e00\u4e2a\u4f5c\u7528\u57df\u5185\uff0c\u5728{}\u5916\u9762\u65e0\u6cd5\u83b7\u53d6\u5230 b<\/p>\n\n\n\n
    int a = 2;\r\n{\r\n\tint b =2;\r\n}\r\nSystem.out.println(\"b\u7684\u503c\u662f\uff1a\"+b);<\/code><\/pre>\n\n\n\n
    4.\u53d8\u91cf\u91cd\u540d\u65f6\uff0c\u4ee5\u6700\u8fd1\u6700\u5c0f\u539f\u5219\u4e3a\u51c6<\/h5>\n\n\n\n
    \u4f8b\u5982\u4e0b\u9762\u7684\u7c7b\u4e2d\uff0c\u8fd0\u884csay\u65b9\u6cd5\u65f6, say \u4e2d\u7684  int a \u53d8\u91cf\u6709\u6548\uff0c\u6210\u5458\u53d8\u91cf a \u88ab\u5c4f\u853d<\/p>\n\n\n\n
    public class Student {\r\n\tpublic static void main(String[] args) {\r\n\t\tStudent st = new Student();\r\n\t\tst.say();\r\n\t}\r\n\tint  a =2;\r\n\tpublic void say() {\r\n\t\tint a = 3;\r\n\t\tSystem.out.println(a);\r\n\t}\r\n}<\/code><\/pre>\n\n\n\n
    <\/p>\n","protected":false},"excerpt":{"rendered":"
    1.\u6982\u5ff5\uff1a \u4f5c\u7528\u57df\uff0c\u53ef\u4ee5\u7b80\u5355\u7684\u7406\u89e3\u4e3a\u6709\u9650\u8303\u56f4 \u53d8\u91cf\u5728\u540c\u4e00\u4e2a {} \u4e2d\uff0c\u5c31\u662f\u540c\u4e00\u4e2a\u4f5c\u7528\u57df\u4e2d 2.\u76f8\u540c\u4f5c\u7528\u57df\u5185\uff0c\u53d8… \u7ee7\u7eed\u9605\u8bfb \u53d8\u91cf\u7684\u4f5c\u7528\u57df<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/453"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=453"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/453\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}