“`”<\/p>\n
<h2>super \u5173\u952e\u5b57<\/h2><\/p>\n
super\u5173\u952e\u5b57\u7528\u4e8e\u4ece\u5b50\u7c7b\u8bbf\u95ee\u7236\u7c7b\u7684\u53d8\u91cf\u548c\u65b9\u6cd5\u3002 \u4f8b\u5982\uff1a<\/p><\/p>\n
<pre><code>public class Super { protected int number; protected showNumber() { System.out.println(""number = "" + number); }}public class Sub extends Super { void bar() { super.number = 10; super.showNumber(); }}<\/code><\/pre><\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cSub \u7c7b\u8bbf\u95ee\u7236\u7c7b\u6210\u5458\u53d8\u91cf number \u5e76\u8c03\u7528\u5176\u5176\u7236\u7c7b Super \u7684 <code>showNumber\uff08\uff09<\/code> \u65b9\u6cd5\u3002<\/p>\n
<strong>\u4f7f\u7528 this \u548c super \u8981\u6ce8\u610f\u7684\u95ee\u9898\uff1a<\/strong><\/p>\n
<ul><li>\u5728\u6784\u9020\u5668\u4e2d\u4f7f\u7528 <code>super\uff08\uff09<\/code> \u8c03\u7528\u7236\u7c7b\u4e2d\u7684\u5176\u4ed6\u6784\u9020\u65b9\u6cd5\u65f6\uff0c\u8be5\u8bed\u53e5\u5fc5\u987b\u5904\u4e8e\u6784\u9020\u5668\u7684\u9996\u884c\uff0c\u5426\u5219\u7f16\u8bd1\u5668\u4f1a\u62a5\u9519\u3002\u53e6\u5916\uff0cthis \u8c03\u7528\u672c\u7c7b\u4e2d\u7684\u5176\u4ed6\u6784\u9020\u65b9\u6cd5\u65f6\uff0c\u4e5f\u8981\u653e\u5728\u9996\u884c\u3002<\/li><li>this\u3001super\u4e0d\u80fd\u7528\u5728static\u65b9\u6cd5\u4e2d\u3002<\/li><\/ul><\/p>\n
<strong>\u7b80\u5355\u89e3\u91ca\u4e00\u4e0b\uff1a<\/strong><\/p>\n
\u88ab static \u4fee\u9970\u7684\u6210\u5458\u5c5e\u4e8e\u7c7b\uff0c\u4e0d\u5c5e\u4e8e\u5355\u4e2a\u8fd9\u4e2a\u7c7b\u7684\u67d0\u4e2a\u5bf9\u8c61\uff0c\u88ab\u7c7b\u4e2d\u6240\u6709\u5bf9\u8c61\u5171\u4eab\u3002\u800c this \u4ee3\u8868\u5bf9\u672c\u7c7b\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u6307\u5411\u672c\u7c7b\u5bf9\u8c61\uff1b\u800c super \u4ee3\u8868\u5bf9\u7236\u7c7b\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u6307\u5411\u7236\u7c7b\u5bf9\u8c61\uff1b\u6240\u4ee5\uff0c <strong>this\u548csuper\u662f\u5c5e\u4e8e\u5bf9\u8c61\u8303\u7574\u7684\u4e1c\u897f\uff0c\u800c\u9759\u6001\u65b9\u6cd5\u662f\u5c5e\u4e8e\u7c7b\u8303\u7574\u7684\u4e1c\u897f<\/strong>\u3002<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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