Question

I noticed the other day that I can call boolean.class, but not integer.class (or on other primitives). What makes boolean so special?

Note: I’m talking about boolean.class, not Boolean.class (which would make sense).

Duh: I tried integer.class, not int.class. Don’t I feel dumb :\

Answer 1

Not integer.class but int.class. Yes you can. JRE 6 :

public class TestTypeDotClass{
    public static void main(String[] args) {
        System.out.println(boolean.class.getCanonicalName());
        System.out.println(int.class.getCanonicalName());
        System.out.println(float.class.getCanonicalName());
        System.out.println(Boolean.class.getCanonicalName());
    }
}

outputs

boolean
int
float
java.lang.Boolean