{"id":11866,"date":"2016-11-01T00:00:00","date_gmt":"2016-10-31T16:00:00","guid":{"rendered":"https:\/\/fgchen.com\/wpedu2\/2016\/11\/01\/%e3%80%90c-%e9%a1%8c%e5%ba%ab%e3%80%91%e9%81%8b%e7%ae%97%e5%ad%90-operator\/"},"modified":"2026-03-30T14:55:40","modified_gmt":"2026-03-30T06:55:40","slug":"%e3%80%90c-%e9%a1%8c%e5%ba%ab%e3%80%91%e9%81%8b%e7%ae%97%e5%ad%90-operator","status":"publish","type":"post","link":"https:\/\/fgchen.com\/wpedu\/2016\/11\/%e3%80%90c-%e9%a1%8c%e5%ba%ab%e3%80%91%e9%81%8b%e7%ae%97%e5%ad%90-operator\/","title":{"rendered":"\u3010C#-\u984c\u5eab\u3011\u904b\u7b97\u5b50 Operator"},"content":{"rendered":"1\uff0e\u4ee5\u4e0b\u4f55\u8005\u80fd\u5920\u6b63\u78ba\u5730\u5c07\u4e00\u500b\u8b8a\u6578\u52a01?\n\n
    \n
  1. ++a++;<\/li>\n
  2. a += 1;<\/li>\n
  3. a ++ 1;<\/li>\n
  4. a = a +1;<\/li>\n
  5. a = +1;<\/li>\n<\/ol>\n\nA. 1, 3\nB. 2, 4\nC. 3, 5\nD. 4, 5\nE. None of these (\u4ee5\u4e0a\u7686\u975e)\n
    <\/span>Answer<\/div>
    B<\/div><\/div>\n
    Go to top<\/a><\/div>\n2. \u5e95\u4e0b\u7a0b\u5f0f\u78bc\u7684\u8f38\u51fa\u70ba\u4f55\uff1f\n\n
    byte b1 = 0xF7;\nbyte b2 = 0xAB;\nbyte temp;\ntemp = (byte)(b1 & b2);\nConsole.Write (temp + \" \");\ntemp = (byte)(b1^b2);\nConsole.WriteLine(temp);<\/pre>\n\nA. 163 92\nB. 92 163\nC. 192 63\nD. 0 1\n
    <\/span>Answer<\/div>
    A<\/div><\/div>\n
    Go to top<\/a><\/div>\n3. \u4e0b\u5217\u4f55\u8005\u4e0d\u662f\u6578\u503c\u904b\u7b97\u5b50\uff1f\nA. **\nB. +\nC. \/\nD. %\nE. *\n
    <\/span>Answer<\/div>
    A<\/div><\/div>\n
    Go to top<\/a><\/div>\n4. \u4ee5\u4e0b\u4f55\u8005\u4e0d\u662f\u95dc\u4fc2\u904b\u7b97\u5b50\uff1f\n\n
      \n    
    1. >=<\/li>\n    
    2. !=<\/li>\n    
    3. Not<\/li>\n    
    4. <=<\/li>\n    
    5. <>=<\/li>\n<\/ol>\n\nA. 1, 3\nB. 2, 4\nC. 3, 5\nD. 4, 5\nE. None of these\n
      <\/span>Answer<\/div>
      C<\/div><\/div>\n
      Go to top<\/a><\/div>\n5. \u4ee5\u4e0b\u4f55\u8005\u4e0d\u662f\u9010\u4f4d\u5143(Bitwise)\u904b\u7b97\u5b50\uff1f\nA. &\nB. |\nC. <<\nD. ^\nE. ~\n
      <\/span>Answer<\/div>
      C<\/div><\/div>\n
      Go to top<\/a><\/div>\n6. \u4f55\u8005\u5c0d\u5e95\u4e0b\u7a0b\u5f0f\u7684\u6558\u8ff0\u6b63\u78ba\uff1f\n\n
      int d;\nd = Convert.ToInt32( !(30 < 20) );<\/pre>\n\nA. \u00a00\u6703\u88ab\u6307\u5b9a\u7d66d\u3002\nB. \u00a01\u6703\u88ab\u6307\u5b9a\u7d66d\u3002\nC. \u00a0-1\u6703\u88ab\u6307\u5b9a\u5c0fd\u3002\nD. \u7a0b\u5f0f\u6709\u932f\u8aa4\u3002\nE. \u00a0\u82e5!\u88ab\u63db\u6210Not\u7684\u8a71\uff0c\u4e0a\u9762\u7a0b\u5f0f\u5c31\u6703\u6b63\u5e38\u904b\u4f5c\u3002\n
      <\/span>Answer<\/div>
      \nB\n\u7bc4\u4f8b\u7a0b\u5f0f\uff1a\n
      bool falseFlag = false;\nbool trueFlag = true;\nConsole.WriteLine(\"{0} converts to {1}.\", falseFlag,\nConvert.ToInt32(falseFlag));\nConsole.WriteLine(\"{0} converts to {1}.\", trueFlag,\nConvert.ToInt32(trueFlag));<\/pre>\n\u7bc4\u5225\u8f38\u51fa\uff1a\nFalse converts to 0.\nTrue converts to 1.\n<\/div><\/div>\n
      Go to top<\/a><\/div>\n7. \u5e95\u4e0b\u7a0b\u5f0f\u7684\u8f38\u51fa\u70ba\u4f55\uff1f\n\n
      Console.WriteLine(13 \/ 2 + \" \" + 13 % 2);\n<\/pre>\n\nA. 6.5 1\nB. 6.5 0\nC. 6 0\nD. 6 1\nE. 6.5 6.5\n
      <\/span>Answer<\/div>
      D<\/div><\/div>\n
      Go to top<\/a><\/div>\n \n8. \u4ee5\u4e0b\u4f55\u8005\u662f\u908f\u8f2f(Logical)\u904b\u7b97\u5b50\uff1f\n\n
        \n    
      1. &&<\/li>\n    
      2. ||<\/li>\n    
      3. !<\/li>\n    
      4. Xor<\/li>\n    
      5. %<\/li>\n<\/ol>\n\nA. 1, 2, 3\nB. 1, 3, 4\nC. 2, 4, 5\nD. 3, 4, 5\nE. None of these\n
        <\/span>Answer<\/div>
        A<\/div><\/div>\n
        Go to top<\/a><\/div>\n9. \u8a2dn\u662f\u4e00\u500bByte\u578b\u614b\u7684\u8b8a\u6578\uff0c\u6211\u5011\u60f3\u8981\u6aa2\u67e5n\u7684\u7b2c4\u500b\u4f4d\u5143(\u5f9e\u53f3\u908a\u7b97\u8d77)\u662f0(OFF)\u9084\u662f1(ON)\u7684\u8a71\uff0c\u8981\u5982\u4f55\u505a\uff1f\nA.\n\n
        if ((n&16) == 16)\nConsole.WriteLine(\"Fourth bit is ON\");<\/pre>\n\nB.\n\n
        if ((n&8) == 8)\nConsole.WriteLine(\"Fourth bit is ON\");<\/pre>\n\nC.\n\n
        if ((n ! 8) == 8)\nConsole.WriteLine(\"Fourth bit is ON\");<\/pre>\n\nD.\n\n
        if ((n ^ 8) == 8)\nConsole.WriteLine(\"Fourth bit is ON\");<\/pre>\n\nE.\n\n
        if ((n ~ 8) == 8)\nConsole. WriteLine(\"Fourth bit is ON\");<\/pre>\n\n
        <\/span>Answer<\/div>
        \nB\nbyte myByte = 153; \/\/ \u5b57\u5143\u8868\u793a \u70ba 10011001\nbyte n = 8; \/\/ In \u5b57\u5143\u8868\u793a\u70ba \u00a000001000\n(1\u662f\u5f9e\u53f3\u908a\u7b97\u904e\u4f86\u7684\u7b2c4\u500b\u4f4d\u5143)\n\u9032\u884c\u908f\u8f2fAND \u904b\u7b97(n & myByte)\n10011001<\/span>\n00001000\n————-\n00001000 \u6b64\u503c\u975e0\uff0c\u56e0\u6b64\u8a55\u4f30\u70batrue\u3002\n———\n\u56e0\u70ba\u7d50\u679c\u70batrue\uff0c\u53ef\u4ee5\u5224\u65b7myByte\u7b2c4\u500b\u4f4d\u5143\u662fON\u3002\n<\/div><\/div>\n
        Go to top<\/a><\/div>\n10. \u5e95\u4e0b\u7a0b\u5f0f\u78bc\u7684\u8f38\u51fa\u70ba\u4f55\uff1f\n\n
        int num = 1, z = 5;\nif (!(num <= 0))\nConsole.WriteLine( ++num + z++ + \" \" + ++z );\nelse\nConsole.WriteLine( --num + z-- + \" \" + --z );<\/pre>\n\nA. 5 6\nB. 6 5\nC. 6 6\nD. 7 7\n
        <\/span>Answer<\/div>
        D<\/div><\/div>\n
        Go to top<\/a><\/div>\n11. \u8a2dn\u662fByte\u5b57\u5143\u578b\u614b\uff0c\u6211\u5011\u82e5\u60f3\u5c0d\u5176\u7b2c4\u500b\u4f4d\u5143\u95dc\u9589\u7684\u8a71(\u8a2d\u70ba0)\uff0c\u4e14\u8981\u4e0d\u5f71\u97ff\u5230\u5176\u4ed6\u7684\u4f4d\u5143\uff0c\u8981\u5982\u4f55\u505a\uff1f\nA. n = n && HF7\nB. n = n & 16\nC. n = n & 0xF7\nD. n = n & HexF7\nE. n = n & 8\n
        <\/span>Answer<\/div>
        C<\/div><\/div>\n
        Go to top<\/a><\/div>\n12. \u5e95\u4e0b\u7a0b\u5f0f\u7684\u8f38\u51fa\u70ba\u4f55\uff1f\n\n
        byte b1 = 0xAB;\nbyte b2 = 0x99;\nbyte temp;\ntemp = (byte)~b2;\nConsole.Write(temp + \" \");\ntemp = (byte)(b1 << b2);\nConsole.Write (temp + \" \");\ntemp = (byte) (b2 >> 2);\nConsole.WriteLine(temp);<\/pre>\n\nA. 102 1 38\nB. 108 0 32\nC. 102 0 38\nD. 1 0 1\n
        <\/span>Answer<\/div>
        C<\/div><\/div>\n
        Go to top<\/a><\/div>\n13. \u4ee5\u4e0b\u4f55\u8005\u4e0d\u662f\u6307\u5b9a\u904b\u7b97\u5b50\uff1f\nA. =\nB. \/=\nC. *=\nD. +=\nE. %=\n
        <\/span>Answer<\/div>
        A<\/div><\/div>\n
        Go to top<\/a><\/div>\n14. \u5e95\u4e0b\u7a0b\u5f0f\u7684\u8f38\u51fa\u70ba\u4f55\uff1f\n\n
        int i, j = 1, k;\nfor (i = 0; i < 5; i++)\n{\n  k = j++ + ++j;\n  Console.Write(k + \" \");\n}<\/pre>\n\nA. 8 4 16 12 20\nB. 4 8 12 16 20\nC. 4 8 16 32 64\nD. 2 4 6 8 10\n
        <\/span>Answer<\/div>
        B<\/div><\/div>\n
        Go to top<\/a><\/div>\n15. \u5e95\u4e0b\u7a0b\u5f0f\u7684\u8f38\u51fa\u70ba\u4f55\uff1f\n\n
        int a = 10, b = 20, c = 30;\nint res = a < b ? a < c ? c : a : b;\nConsole.WriteLine(res);<\/pre>\n\nA. 10\nB. 20\nC. 30\nD. Compile Error \/ Syntax Error\n
        <\/span>Answer<\/div>
        C<\/div><\/div>\n
        Go to top<\/a><\/div>\n14. \u95dc\u65bc\u5e95\u4e0b\u7a0b\u5f0f\u7684\u63cf\u8ff0\u4f55\u8005\u6b63\u78ba\uff1f\n\n
        int a = 10;\nint b = 20;\nbool c;\nc = !(a > b);<\/pre>\n\n
          \n    
        1. \u7a0b\u5f0f\u6c92\u6709\u932f\u8aa4\u3002<\/li>\n    
        2. \u4e00\u500b\u932f\u8aa4\u6703\u767c\u751f\uff0c\u56e0\u70ba!\u50c5\u80fd\u4f7f\u7528\u5728int\u4e0a\u3002<\/li>\n    
        3. 1\u6703\u6307\u5b9a\u7d66\u8b8a\u6578c\u3002<\/li>\n    
        4. true\u6703\u6307\u5b9a\u7d66\u8b8a\u6578c\u3002<\/li>\n    
        5. false\u6703\u6307\u5b9a\u7d66\u8b8a\u6578c\u3002<\/li>\n<\/ol>\n\nA. 1, 3\nB. 2, 4\nC. 4, 5\nD. 1, 4\nE. None of these\n
          <\/span>Answer<\/div>
          D<\/div><\/div>\n
          Go to top<\/a><\/div>\n ","protected":false},"excerpt":{"rendered":"
          1\uff0e\u4ee5\u4e0b\u4f55\u8005\u80fd\u5920\u6b63\u78ba\u5730\u5c07\u4e00\u500b\u8b8a\u6578\u52a01? ++a++; a += 1; a ++  … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[266],"tags":[],"class_list":["post-11866","post","type-post","status-publish","format-standard","hentry","category-266"],"_links":{"self":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/11866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/comments?post=11866"}],"version-history":[{"count":1,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/11866\/revisions"}],"predecessor-version":[{"id":13297,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/11866\/revisions\/13297"}],"wp:attachment":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media?parent=11866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/categories?post=11866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/tags?post=11866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}