Produce Java classes to calculate and display the Poisson probability when input the value of the average (A) arrival rate of customers at some business in the range of 1 to 10. The error message will output when A is out of the range。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001437s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.098538s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001083s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003693s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001431s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003270s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001279s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003555s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015860s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001190s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 459174 [ RunTime:0.022084s ]
