Core Java Questions et reponses d'entretien
Question : What would you use to compare two String variables - the operator == or the method equals()?Reponse : I would use the method equals() to compare the values of the Strings and the == to check if two variables point at the same instance of a String object. |
Enregistrer pour revision
Ajoutez cet element aux favoris, marquez-le comme difficile ou placez-le dans un ensemble de revision.
Connectez-vous pour enregistrer des favoris, des questions difficiles et des ensembles de revision.
Est-ce utile ? Oui Non
Les plus utiles selon les utilisateurs :
- How could Java classes direct program messages to the system console, but error messages, say to a file?
- What are the differences between an interface and an abstract class?
- Why would you use a synchronized block vs. synchronized method?
- How can you force garbage collection?
- What are the differences between the methods sleep() and wait()?