这是一个手机程序,用来管理花费的信息.有三个JAVA文件,这是其中的一个.可以向手机存储花费的信息,也可以查看修改信息.-This is a cell phone program, used to manage the cost of information. There are three JAVA file, which is one of them. You can take the information to the phone memory, you can view the information we collect.