
Cuestionario sobre concatenación de cadenas en Java
Quiz
•
Science
•
6th Grade
•
Practice Problem
•
Medium
Cinthia Cotaña Angulo
Used 3+ times
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
¿Qué operador se utiliza para concatenar cadenas en Java?
*
+
-
/
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de la siguiente operación? String saludo = "Hola " + "Juan";
HolaJuan
Hola Juan
Hola + Juan
Hola"Juan"
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se utiliza para concatenar cadenas en Java además del operador '+'?
append()
concat()
join()
merge()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito del método length() en Java?
Unir dos cadenas
Obtener la longitud de una cadena
Dividir una cadena
Convertir una cadena a mayúsculas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si se ejecuta el siguiente código: String saludo = "Hola ".concat("Mundo"); ¿Cuál será el valor de la variable saludo?
HolaMundo
Hola Mundo
Hola.concat(Mundo)
Hola + Mundo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se crean las cadenas en Java utilizando comillas dobles?
String nombre = "Gabriel";
String texto = new String("Hola");
String vacio = "";
String cadena = 'Gabriel';
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método alternativo se puede usar para crear cadenas en Java?
Usar comillas simples.
Usar el constructor: String texto = new String("Hola");
Usar el método toString().
Usar el operador +.
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