0
0

More than 1 year has passed since last update.

インスタンスのクラスを確認する

Posted at

・インスタンスについてgetClass()をとると、Class名を取得できる
・instanceofで、Class名を比較

Sample.java
    public static void main(String[] args) {
        System.out.println(Integer.valueOf("1").getClass());
        System.out.println(Integer.valueOf("1") instanceof Integer);
    }
class java.lang.Integer
true
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