
Preguntas de Programación en Java
Authored by Alex Huarayo
Computers
10th Grade
Used 2+ times

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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la forma correcta de declarar un arreglo de enteros en Java?
int arreglo[] = new int(5);
int arreglo = new int[5];
int[] arreglo = new int[5];
int arreglo = [5]int;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué valor tiene el índice del primer elemento de un arreglo en Java?
0
1
-1
Depende del tipo de arreglo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué estructura se usa para tomar decisiones en Java?
switch
if
for
loop
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la sintaxis correcta de un if en Java?
if x > 5 then {...}
if (x > 5) {...}
if x > 5: {...}
if x > 5 {}
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué bucle se usa para repetir instrucciones una cantidad definida de veces?
while
for
do-while
if
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué clase en Swing se usa para crear una ventana?
JPanel
JFrame
JButton
Window
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el método para hacer visible un JFrame?
show(true)
visible(true)
setVisible(true)
enable(true)
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