NewJFrame

代码说明：

  JAVA编写的万年行事历，是一个日程管理软件，可以把你每天要办的事情写进日期里，随时候看一下，仅供学习。(Written in JAVA calendar years, is a schedule management software, you can put your day to do the things included in the date, the time to look over, only to learn.)