
Quiz sobre Instrucciones Base de Java
Authored by Rebeca V.
Engineering
University
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué instrucción se utiliza para importar la clase que permite usar cuadros de diálogo gráficos?
import java.util.Scanner
import javax.swing.JOptionPane
import javax.swing.JFrame
import java.swing.JOptionPane
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es la función de System.out.println()?
Imprimir mensajes en la consola
Convertir un String a int
Leer datos de entrada
Crear un cuadro de diálogo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué clase se utiliza como alternativa a JOptionPane para la entrada por consola?
Scanner
FileReader
BufferedReader
PrintWriter
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué método se utiliza para convertir un String a un entero?
Integer.toString()
Integer.parseInt()
String.valueOf()
Double.parseDouble()
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es la estructura condicional básica en Java?
if
while
switch
for
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué palabra clave se utiliza junto a if para manejar el caso falso?
switch
else
case
default
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué instrucción se utiliza para seleccionar una opción entre múltiples casos?
while
if
for
switch
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