Tell me how to call the methods in this??

findall() method defines no problem, if the null pointer is abnormal, most of the time it is a problem with your handling of the return value of the calling function. You can try it like this.

Write a test e.g. ::

xingfudao xfd = new xingfudao();

list list = ;

iterator it = ;

xingfu xf = null;

if(doxf = (xingfu);

while(

There is no list of information");

xingfudao xd = new xingfudao();

list list = ;

This loops through the list set.

Just output the properties of the pojo class.

Gas meters are divided into mechanical meters, IC card meters, remote meters, etc., and the transcription method is determined according to the actual situation.

Industrial and civilian are a little different. Continue to ask first.

Bock address. What can be said.

I can't tell sorry!!

1.Wired communication transmission, such as **, fax, telegram, TV, etc. 2Wireless communication transmission, such as walkie-talkies, BP machines (to eliminate), mobile**, radio 3

Letters, **, text messages, Internet access, radio, etc

There are **, computers, letters, satellite and TV, newspapers, etc.

The question is not very clear, it is advisable to add it.

Don't understand what you're referring to?

1. Wash the mutton and cut it into pieces of 10 cm long, wide cm and thick cm, smash the mutton bones and spread them on the bottom of the pot, put the mutton on top, add water until the meat is not over, boil over a hot fire, skim off the blood foam, and decant the soup without use;

2. Add water, boil over a strong fire, and skim off the foam. Add an appropriate amount of water, skim off the foam after boiling, then put the mutton fat in and cook for a while, and then skim off the foam again;

3. Wrap pepper, cinnamon, tangerine peel, grass fruit, ginger, white mango, etc. into a spice bag with gauze, put it into the pot with ginger slices, green onions, and refined salt, and continue to cook it over a strong fire until the mutton is eight mature, add red oil and pepper water, and cook for about two hours;

4. At this time, the soup pot should always be kept boiling, take out the cooked mutton, cut the top silk into thin slices, put it in the bowl, sprinkle with chopped coriander, and the mutton soup in Shanxian County is ready. You can put chili oil and green onions on a flavor plate, lotus leaf cake into **, and serve them together with mutton soup. When eating, put a little chili oil, lotus leaf cake with green onions, can be eaten with mutton soup.

Add the noodles to the soup and cook them and serve.