Which ArrayList method is used to remove the first occurrence of a specific element from the list?Question 3Answera.delete()b.removeFirst()c.erase()d.remove()
Question
Which ArrayList method is used to remove the first occurrence of a specific element from the list?Question 3Answera.delete()b.removeFirst()c.erase()d.remove()
Solution
Para responder a la pregunta sobre cuál método de ArrayList se utiliza para eliminar la primera aparición de un elemento específico de la lista, sigamos estos pasos:
-
Identificar los métodos proporcionados en las opciones:
- a. delete()
- b. removeFirst()
- c. erase()
- d. remove()
-
Revisar la documentación de ArrayList:
- El método
delete()no es un método de ArrayList. - El método
removeFirst()tampoco es un método de ArrayList. - El método
erase()no existe en ArrayList. - El método
remove()es un método de ArrayList que se utiliza para eliminar la primera aparición de un elemento específico.
- El método
-
Conclusión:
- La opción correcta es la d. remove().
Por lo tanto, el método de ArrayList utilizado para eliminar la primera aparición de un elemento específico de la lista es remove().
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