Created
August 7, 2023 11:56
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2023.08.07. Mission1 "깜짝과제" 1번
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| import java.util.*; | |
| import java.io.*; | |
| public class Mission1Surprise1 { | |
| public static void main(String[] args) { | |
| StringBuilder html = new StringBuilder(); | |
| html.append("<head>\n"); | |
| html.append(" <meta charset=\"UTF-8\"/>\n"); | |
| html.append(" <style>\n"); | |
| html.append(" table { border-collapse: collapse; width: 100%; }\n"); | |
| html.append(" th, td { border:solid 1px #000; }\n"); | |
| html.append(" </style>\n"); | |
| html.append("</head>\n"); | |
| html.append("<body>\n"); | |
| html.append(" <h1>자바 환경정보</h1>\n"); | |
| html.append(" <table>\n"); | |
| html.append(" <tr>\n"); | |
| html.append(" <th>키</th>\n"); | |
| html.append(" <th></th>\n"); | |
| html.append(" </tr>\n"); | |
| for(Object k : System.getProperties().keySet()){ | |
| String key = k.toString(); | |
| String value = System.getProperty(key); | |
| html.append(" <tr>\n"); | |
| html.append(" <td>").append(key).append("</td>\n"); | |
| html.append(" <td>").append(value).append("</td>\n"); | |
| html.append(" </tr>\n"); | |
| } | |
| html.append(" </table>\n"); | |
| html.append("</body>\n"); | |
| try{ | |
| File file = new File("index.html"); | |
| BufferedWriter writer = new BufferedWriter(new FileWriter(file)); | |
| writer.write(html.toString()); | |
| writer.close(); | |
| } catch(IOException e){ | |
| e.printStackTrace(); | |
| } | |
| } | |
| } |
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