
JAVA III
Quiz
•
Specialty
•
10th Grade
•
Practice Problem
•
Hard
Andres Felipe Guzman
Used 5+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Que dos sentencias son verdaderas sobre la clase Scanner?
(Elija todas las respuestas correctas)
Es posible cambiar un delimitador de Scanner
Un objeto Scanner no tiene campos ni metodos
Los Scanner no pueden leer archivos de texto
Un objeto Scanner abre una sentencia para recopilar entradas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Imagine que escribe una sentencia que asigna un valor a una variable String, tl como se indica a continuacion.
String inpunt = "This is java Program";
Este medo de asignar valores a variables se conoce como codificacion de forma rigida.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se recomienda cerrar el flujo Scanner al terminar
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cual es la forma correcta de convertir un tipo long en un tipo int?
int longToint = 20L(int);
int longToint = int 20L;
int longToint = (int)20L;
int longToint = 20L;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Que excepcion se produce cuando no se puede analizar una cadena como un int?
ValueNotFoundException
NullPointerException
NumberFormatException
ArithmeticException
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El compilador java asciende automaticamente los valores de tipo de datos byte, short y char, y los convierte en un tipo de dato int
Verdadero
Falso
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿A cual de las sigientes tipos de datos se puede promocionar un tipo de datos corto?
(Elija todas las respuestas correctas)
byte
long
boolean
double
int
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