
Test_recupero_19_aprile
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Medium
Francesca Cirini
Used 1+ times
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
for(int i=0; i<=10; i++){
System.out.println(i*9);
}
Cosa stampa il codice sopra?
I numeri da 0 a 10
La tabellina del 9
I numeri da 0 a 9
Le somme dei numeri da 0 a 10 + 9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(4+5)*3!=27 || 3*9!=27
VERO
FALSO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1+2+3*4==15 && 1==1*1+0
VERO
FALSO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
String a = "ciao";
String b = "Ciao";
if(a.equals("Ciao"){
System.out.println("ABC");
}else if(b.equals("ciao")){
System.out.println("DEF");
}else if(a.toUpperCase().equals(b.toUpperCase)){
System.out.println("GHI");
}else{ System.out.println("JKL"); }
Qual è l'output del segmento di codice?
ABC
DEF
GHI
JKL
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
String a = "ciao;come;stai;?";
Array b = a.split(";");
Quanto vale a.lentgh?
3
2
1
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
int i=20; int result=0;
while(i<30){
if(i%2==0){
result += i;
}
i=i++;
}
Quanto vale result?
120
150
245
275
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale di questi metodi non appartiene alla classe String
length
equals
toLowerCase
size
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale delle seguenti non è una sintassi corretta in Java?
public static void main(String[] args)
private static void MyMetodo(int numero)
public private void MyMetodo(int numero)
public static String MyString(String[])
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