ramyo564/gist:a01a487c011f1a5255766418b0aac4b7

## gistfile1.java
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;

public class Main {
    public static void main(String[] args) {
        // 시스템 속성 가져오기
        Properties systemProperties = System.getProperties();

        // 저장할 파일명
        String fileName = "property.html";

        try (FileOutputStream outputStream = new FileOutputStream(fileName)) {
            // HTML 헤더 작성
            String htmlHeader = "<html>" +
                    "<head><meta charset=\"UTF-8\"/><style>table {border-collapse: collapse; width: 100%;} th,td{border:solid 1px #000;}</style>" +
                    "<title>System Properties</title>" +
                    "</head>" +
                    "<body><h1>자바환경정보</h1><table border=\"1\"><tr><th>키</th><th>값</th></tr>";
            outputStream.write(htmlHeader.getBytes());

            // 시스템 속성을 파일에 쓰기
            systemProperties.forEach((key, value) -> {
                try {
                    String htmlRow = "<tr><td>" + key + "</td><td>" + value + "</td></tr>";
                    outputStream.write(htmlRow.getBytes());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            });

            // HTML 푸터 작성
            String htmlFooter = "</table></body></html>";
            outputStream.write(htmlFooter.getBytes());

            System.out.println("System properties saved to " + fileName);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.util.Properties;

	public class Main {
	public static void main(String[] args) {
	// 시스템 속성 가져오기
	Properties systemProperties = System.getProperties();

	// 저장할 파일명
	String fileName = "property.html";

	try (FileOutputStream outputStream = new FileOutputStream(fileName)) {
	// HTML 헤더 작성
	String htmlHeader = "<html>" +
	"<head><meta charset=\"UTF-8\"/><style>table {border-collapse: collapse; width: 100%;} th,td{border:solid 1px #000;}</style>" +
	"<title>System Properties</title>" +
	"</head>" +
	"<body><h1>자바환경정보</h1><table border=\"1\"><tr><th>키</th><th>값</th></tr>";
	outputStream.write(htmlHeader.getBytes());

	// 시스템 속성을 파일에 쓰기
	systemProperties.forEach((key, value) -> {
	try {
	String htmlRow = "<tr><td>" + key + "</td><td>" + value + "</td></tr>";
	outputStream.write(htmlRow.getBytes());
	} catch (IOException e) {
	e.printStackTrace();
	}
	});

	// HTML 푸터 작성
	String htmlFooter = "</table></body></html>";
	outputStream.write(htmlFooter.getBytes());

	System.out.println("System properties saved to " + fileName);
	} catch (IOException e) {
	e.printStackTrace();
	}
	}
	}