
Entrada de Datos y Números Aleatorios en Java
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Charles Garcia
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué se necesita importar para usar la clase Scanner?
java.util.Scanner
java.util.Random
java.util.List
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es el método para leer una línea de texto?
sc.nextLine()
sc.readLine()
sc.getLine()
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué método se utiliza para convertir una cadena a un entero?
Integer.parseInt()
Double.parseDouble()
Boolean.parseBoolean()
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué clase se utiliza para generar números aleatorios?
Random
Scanner
Math
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cómo se genera un número entero aleatorio entre 1 y 6?
rand.nextInt(6) + 1
rand.random(6) + 1
rand.getInt(6) + 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué método se utiliza para formatear cadenas en Java?
String.format()
String.parse()
String.convert()
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué especificador se utiliza para enteros en el formateo de cadenas?
%d
%s
%.2f
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