\u4eca\u5929\u8fd8\u5728\u505a\u90a3\u4e2a\u9065\u63a7\u5668\uff0cUI\u57fa\u672c\u4e0a\u5f04\u5b8c\u4e86\u3002\u6628\u5929\u505a\u5230\u6309\u4f4f\u6309\u952e\u540e\u8fde\u7eed\u89e6\u53d1\u4e8b\u4ef6\uff0c\u4eca\u5929\u7f16\u5199\u4e86\u5177\u4f53\u7684\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\uff0c\u6bd4\u5982\u5f15\u64ce\u529f\u7387+1\uff0c\u987a\u624b\u66f4\u65b0\u4e00\u4e0bUI\u3002\u76ee\u524d\u6709\u4e2a\u95ee\u9898\u5728\u4e8e\uff0c\u8868\u793a\u65b9\u5411\u7684SeekBar\u80fd\u62d6\u52a8\uff0c\u4f46\u62d6\u52a8\u4e86\u5e76\u6ca1\u6709\u7528\uff0c\u518d\u6b21\u70b9\u51fb\u8f6c\u5411\u4f1a\u88ab\u6253\u56de\u53bb\u3002\u5df2\u77e5\u7684\u89e3\u51b3\u65b9\u6848\u662f\u7ee7\u627fSeekBar\u7136\u540e\u91cd\u5199\u6389onStartTrackingTouch\u3001onStopTrackingTouch\u548conProgressChanged\u8fd9\u4e09\u4e2a\u65b9\u6cd5\uff0c\u4e0d\u8fc7\u4eca\u5929\u5c31\u5148\u4e0d\u6298\u817e\u4e86\u3002<\/p>\n
UDP\u5305\u4e5f\u80fd\u53d1\u9001\uff0c\u5c31\u5dee\u586b\u597d\u5177\u4f53\u53d1\u9001\u7684\u5185\u5bb9\u4e86\u3002\u660e\u5929\u505a\u8fd9\u4e2a\u3002<\/p>\n
\u4eca\u5929\u8e29\u5230\u4e86\u4e00\u4e2a\u5751\uff0c\u662f\u5173\u4e8eInteger, int, Double, double\u7684\uff0c\u867d\u7136Double\u662fdouble\u7684\u5185\u5efa\u5f15\u7528\u7c7b\u578b\uff0c\u4f46\u4e0d\u80fd\u628a\u5b83\u7b80\u5355\u7406\u89e3\u6210\u4e00\u4e2a\u201c\u6307\u9488\u201d\uff0c\u56e0\u4e3a\u5b83\u6ca1\u6709\u63d0\u4f9b\u4fee\u6539\u5185\u5bb9\u7684\u65b9\u6cd5\u3002<\/p>\n
<\/p>\n
\u4f7f\u7528\u4e00\u6bb5\u7b80\u5355\u7684\u4ee3\u7801\u6765\u8bf4\u660e\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n
class Main{\n\n static void fky(Double a) {\n ++a;\n }\n public static void main(String[] args) {\n Double var = 0.0;\n \/\/Double targetVar = var;\n \/\/targetVar += 1;\n fky(var);\n System.out.println(var);\n }\n}<\/pre>\n\u6211\u9700\u8981\u5728\u4e24\u4e2a\u7ebf\u7a0b\u95f4\u5171\u4eab\u4e00\u4e2adouble\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u6309\u7167\u6700\u57fa\u672c\u7684\u601d\u8def\uff0c\u6211\u53ea\u8981\u4f20\u4e00\u4e2a\u5f15\u7528\u4f5c\u4e3a\u53c2\u6570\u5c31\u53ef\u4ee5\u4e86\u3002\u4e0d\u8fc7\u6211\u53d1\u73b0\uff0c\u4fee\u6539\u4e86Double\u4e4b\u540e\uff0c\u539f\u503c\u4e0d\u53d8\u3002\u6bd4\u5982\u8fd9\u6bb5\u4ee3\u7801\uff0c\u5c31\u8f93\u51fa0\u3002<\/p>\n
\u8fd9\u662f\u56e0\u4e3a\uff0cDouble\u6ca1\u6709\u63d0\u4f9b\u4fee\u6539\u5176\u4e2d\u7684\u503c\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u5bf9Double\u8fdb\u884c\u4e86\u8ba1\u7b97\uff0c\u5c31\u76f8\u5f53\u4e8e\u65b0\u9020\u4e86\u4e00\u4e2aDouble\uff0c\u7136\u540e\u6307\u5411\u4e86\u5b83\u7684\u5f15\u7528\u3002<\/p>\n
\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u4e2a++a\uff0c\u610f\u5473\u7740\u7a0b\u5e8f\u6784\u9020\u4e86\u4e00\u4e2a\u65b0\u7684Double\uff0c\u7136\u540e\u628aa\u6307\u5411\u4e86\u5b83\uff0c\u800c\u4e0d\u662f\u5c06\u5176\u4e2d\u7684\u5185\u5bb9+1\u3002\u7c7b\u6bd4C\u7684\u5199\u6cd5\uff1a<\/p>\n
void fky(double *a) {\n double *b = (double*) malloc(sizeof(double));\n *b = *a + 1;\n a = b;\n}<\/pre>\n\u8fd9\u80af\u5b9a\u6ca1\u7528\u7684\u5566\u2026\u2026\u800c\u4e14Java\u53c8\u4e0d\u63d0\u4f9b&a\u8fd9\u79cd\u5f15\u7528\u4f20\u6cd5\uff0c\u53ea\u597d\u8001\u8001\u5b9e\u5b9e\u7684\u6784\u9020\u4e86\u4e00\u4e2apDouble\u201c\u6307\u9488\u201d\u7c7b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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