YongWanJin/Mission1Surprise1.java

## Mission1Surprise1.java
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();
        }
    }
}
	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();
	}
	}
	}