- 下面用法请看解释
public class ATestDog
{
public int age;
public string name;
public ATestDog(int age, string name)
{
this.age = age;
this.name = name;
}
}
public class DogCage
{
public ATestDog bill;
public DogCage()
{
}
}
public class BitsOfKnowledge : MonoBehaviour
{
void Start()
{
int? k = null;
int j = k ?? 5;
int k2 = j == 5 ? 3 : 2;
ATestDog skjk = null;
ATestDog nihao = skjk ?? new ATestDog(2, "siil");
DogCage dogCage = new DogCage();
ATestDog nihao2 = dogCage?.bill ?? new ATestDog(2, "siil");
ATestDog nihao3 = dogCage?.bill;
}