import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;
public class PropertiesDemo02 {
public static void main(String[] args) {
Properties pro = new Properties();
pro.setProperty("BJ", "bEIJING");
pro.setProperty("TJ", "TJIANJIN");
pro.setProperty("DJ", "TOKYO");
File file = new File("E:" + File.separator + "area.properties");
try {
pro.store(new FileOutputStream(file), "ARea Info");
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}