19, C#\u7684\u6570\u7ec4<\/p>\n
C#\u7684\u6570\u7ec4\u90fd\u662f\u5bf9\u8c61\uff0c\u7ee7\u627f\u81eaArray\u7c7b\uff0c\u6545\u90fd\u62e5\u6709\u5c5e\u6027\u53ca\u65b9\u6cd5\uff0c\u5982Rank,\u6570\u7ec4\u7684\u7ef4\u6570\uff0cequals\u7b49\u3002\u800cjava\u4e2d\u7684\u6570\u7ec4\u53ea\u6709\u4e00\u4e2alength\u5c5e\u6027\u3002 Array intArray1 = Array.CreateInstance(typeof(int), 5); \u7b49\u540c\u4e8e\uff1aint[] intArray1 = new int[5]; int[] intArray2 = (int[])intArray1; <\/p>\n
\u9664\u4e00\u822c\u6570\u7ec4\u5916\uff0cC#\u652f\u6301\u4e0d\u89c4\u5219\u6570\u7ec4\u5982\uff1a int[][] jagged = new int[3][];
\njagged[0] = new int[2] { 1, 2 };
\njagged[1] = new int[6] { 3, 4, 5, 6, 7, 8 };
\njagged[2] = new int[3] { 9, 10, 11 };
\n20\uff0c\u64cd\u4f5c\u7b26\uff1a
\n is \u5224\u65ad\u5de6\u662f\u5426\u662f\u53f3\u7c7b\u578b
\n as \u7c7b\u578b\u8f6c\u6362<\/p>\n
21\uff0c\u8fd0\u7b97\u7b26\u91cd\u8f7d
\nVector x = new Vector ( 1,1 ); Vector y = new Vector (2,2)
\nVector z = x + y \/\/ \u6216\u8005\u7528point z = x.add( y ); \u4f46\u663e\u7136\u524d\u8005\u66f4\u76f4\u89c2\u3002<\/p>\n
\u5b9e\u73b0\uff1a\u65b9\u6cd5\u4e3apublic , static \u8fd0\u7b97\u7b26\u524d\u52a0operator: public static Vector operator + (Vector lhs, Vector rhs) 19, C#\u7684\u6570\u7ec4 C#\u7684\u6570\u7ec4\u90fd\u662f\u5bf9\u8c61\uff0c\u7ee7\u627f\u81eaArray\u7c7b\uff0c\u6545\u90fd\u62e5\u6709\u5c5e\u6027\u53ca\u65b9\u6cd5\uff0c\u5982Rank,\u6570\u7ec4\u7684\u7ef4\u6570\uff0cequ […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-221","post","type-post","status-publish","format-standard","hentry","category-csharp"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=221"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/221\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n{
\nVector result = new Vector(lhs);
\nresult.x += rhs.x;
\nresult.y += rhs.y;
\nresult.z += rhs.z;
\nreturn result;
\n} \/\/\u6b64\u65f6 x + y\u4f1a\u6267\u884c\u6b64\u65b9\u6cd5\uff0c\u5b9e\u9645\u4e0a\uff0c\u5f53\u51fa\u73b0\u8fd0\u7b97\u7b26\u65f6\uff0cc#\u90fd\u5148\u5728\u5de6\uff0c\u53f3\u64cd\u4f5c\u6570\u7684\u65b9\u6cd5\u627e\u662f\u5426\u5177\u6709\u91cd\u8f7d\u6b64\u64cd\u4f5c\u7b26\u7684\u65b9\u6cd5\uff0c\u4e14\u6b64\u65b9\u6cd5\u53c2\u6570\u4e0e\u7ed9\u51fa\u7684\u64cd\u4f5c\u7b26\u5de6\u53f3\u64cd\u4f5c\u6570\u76f8\u540c\uff0c\u82e5\u76f8\u540c\uff0c\u6267\u884c\u4e4b\u3002
\nx = 2 * x public static Vector operator * (int lhs, Vector rhs)
\n{
\nVector result = new Vector(lhs);
\nresult.x = 2 * rhs.x;
\nresult.y += 2 * rhs.y;
\nreturn result;
\n} \u82e5\u662fx = x * 2 \u5219\u4e0d\u4f1a\u6267\u884c\uff0c\u56e0\u4e3a\u5f62\u53c2\u4e0d\u5339\u914d\uff0c\u6b64\u65f6\u9700\u8981\u518d\u5b9a\u4e49\u4e00\u4e2a public static Vector operator * (Vector rhs\uff0cint lhs )
\n{
\n return lhs * rhs;
\n}
\n\u80fd\u91cd\u8f7d\u7684\u8fd0\u7b97\u7b26\u6709\uff1a +, *, \/, -, %
\n+, -, ++, —
\n&, |, ^, <<, >>
\n!, ~true, false
\n==, !=,>=, <=>, <, \/\/\u6ca1\u6709 = \u6b64\u5916\uff1a true false;== \uff01=\uff1b > <; >= <=; \u91cd\u8f7d\u65f6\u91cd\u8f7d\u4e00\u4e2a\uff0c\u53e6\u4e00\u4e2a\u5fc5\u987b\u91cd\u8f7d\u4e14\u8fd4\u56de\u7ed3\u679c\u8981\u4e3aboolean ,\u5728\u91cd\u8f7d\u4e86 + \u4e4b\u540e\u76f8\u5f53\u4e8e\u91cd\u8f7d\u4e86+= \uff0c+=\u4e0d\u80fd\u663e\u5f0f\u91cd\u8f7d\n22, \u59d4\u6258 --- \u7c7b\u662f\u6570\u636e\uff0c\u65b9\u6cd5\u4e5f\u53ef\u5f53\u505a\u6570\u636e\uff0c\u4e5f\u80fd\u88ab\u8d4b\u503c\u3002\nusing System;\n public partial class AA \n {\n public delegate string show( string name );\n\n public string list( string name )\n {\n return \"hdello world \" + name;\n }\n\n \n \n public static void Main(){\n AA a = new AA();\n \/\/show _show = new show(a.list);\n show _show = a.list;\n Console.Write(_show(\"123\"));\n Console.Write(a.go( _show ));\n \n }\n public string go( show _show ){\n return _show(\"345\");\n }\n }\n\n\n\n\u59d4\u6258\u53ef\u5f53\u505a\u7c7b\u6765\u770b\u5f85\uff0c\u5373\u59d4\u6258\u65b9\u6cd5\u5c31\u662f\u4e00\u4e2a\u7c7b\uff0c\u53ef\u7528new\u6765\u521b\u5efa\uff0c\u540cjs,\u4e0d\u540cjs\u7684\u65b9\u6cd5\u5f53\u6210\u7c7b\u8fd8\u53ef\u4ee5\u6709\u5c5e\u6027\u3002\n\n\u59d4\u6258\u4e0d\u8981\u65b9\u6cd5\u4f53, \u524d\u8981\u52a0\u5173\u952e\u5b57 delegate\n\u8c03\u7528\uff1a\u59d4\u6258\u65b9\u6cd5 + \u62ec\u53f7\uff0c \u76f4\u63a5\u7528\uff0c\u4e0d\u7528\u521b\u5efa\u5bf9\u8c61\u5f15\u7528\u3002\n\u65b9\u6cd5\u5f53\u505a\u53d8\u91cf\u6765\u770b\uff0c\u5728\u8d4b\u503c\uff0c\u4f20\u53c2\u65f6\u5f53\u7136\u4e0d\u8981\u7528(), \u53ea\u6709\u5728\u8c03\u7528\u65f6\u624d\u7528()\n\u59d4\u6258\u8fd8\u53ef\u4ee5\u8fdb\u884c + , - \u64cd\u4f5c\uff0c\u4e00\u6b21\u8fd0\u884c\u591a\u4e2a\u65b9\u6cd5\uff0c\u4f46\u65b9\u6cd5\u8fd4\u56de\u503c\u6700\u597d\u4e3avoid,\u5426\u5219\u540e\u8005\u4f1a\u5c06\u524d\u8005\u8986\u76d6\u6389\n\nusing System;\n public partial class AA\n {\n public delegate void show( string name );\n\n public void list( string name )\n {\n Console.Write(\"hdello world \" + name);\n }\n \n public void list1( string name )\n {\n Console.Write( \"list1 world \" + name);\n }\n\n \n \n public static void Main(){\n AA a = new AA();\n show _show = a.list;\n _show += a.list1;\n _show(\"123\");\n \n }\n \n }\n\n\n23\uff0c\u96c6\u5408\nHashtable ht = new Hashtable();\n foreach (DictionaryEntry de in myHT) {\n Console.Write( dr.key + dr.value );\n}\n\u53d6\u503c\uff1a ht[\"name\"]\n\/\/\u6ce8\u610f\uff0c\u56e0\u4e3aHashTable\u662f\u6309\u6563\u5217\u6392\u5e8f\uff0c\u4e0d\u662f\u6570\u636e\u90a3\u79cd\u4f4d\u7f6e\u7c7b\u7684\uff0c\u6545\u5b83\u7684\u8f93\u51fa\u4e0eadd\u7684\u4f4d\u7f6e\u4e0d\u540c\u3002\nIList\u63a5\u53e3 List \u63d0\u4f9b\u8303\u578b List
\njava\u4e2d\u63a5\u53e3\u4e0e\u8303\u578b\u90fd\u662fList<\/p>\n","protected":false},"excerpt":{"rendered":"