package ming;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.Properties;public class PropertiesTest {	/**	 * @param args	 * @throws IOException 	 * @throws FileNotFoundException 	 */	public static void main(String[] args) throws FileNotFoundException, IOException {		// TODO Auto-generated method stub		Properties props = new Properties();		//向Properties添加属性		props.setProperty("username", "abc");		props.setProperty("password", "123");		//保存到a.ini文件中		props.store(new FileOutputStream("a.ini"), "comment line");		//追加数据		Properties props2 = new Properties();		props2.setProperty("gender", "male");		props2.load(new FileInputStream("a.ini"));		System.out.println(props2);			}}