LoginSignup
0
0

More than 1 year has passed since last update.

Optional<>をJPAで利用する場合

Posted at
Optional<Entity> x = yService.findBy(id)

if(x.isPresent()){
    //ここに.get.set().save等の内容を書き込んでいく   
}
0
0
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
0
0