具有相似编号键的JAVA解析属性文件

1.name=John
2.age=25
3.gender=Male
4.address=123 Main St

import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

public class PropertyFileParser {
    public static void main(String[] args) {
        Properties properties = new Properties();
        try {
            FileInputStream fileInputStream = new FileInputStream("config.properties");
            properties.load(fileInputStream);
            fileInputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        // 遍历属性文件中的键值对
        for (String key : properties.stringPropertyNames()) {
            String value = properties.getProperty(key);
            System.out.println(key + " = " + value);
        }
    }
}