
Java
Quiz
•
Computers
•
1st Grade
•
Practice Problem
•
Hard
Kamil Əhmədov
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 1 – Java-da “Salam Dünya” yazmaq üçün düzgün sintaksis hansıdır?
A -print("Salam Dünya");
B- Console.WriteLine (“Salam Dünya”);
C- System.out.println (“Salam Dünya”);
D – “Salam Dünya” əks-sədası;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 2 – Thread's sleep() metodu çağırıldıqda nə baş verir?
A – İp hazır vəziyyətə qayıdır.
B – İp gözləmə vəziyyətinə qayıdır.
C – Mövzu işə başlayır.
D – Yuxarıdakıların heç biri.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 3 – Hansı vəziyyətdə proqramın bərpası gözlənilir?
A – Səhv baş verərsə.
B – İstisna olarsa.
C – Yuxarıdakıların hər ikisi.
D – Yuxarıdakıların heç biri.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 4 – Hansı null açarı və null dəyərləri saxlamağa imkan verir?
A – Hashtable
B – HashMap
C – Heç biri.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 5 – Aşağıdakı proqramın ekran çıxışı nədir?
import java.util.LinkedHashSet;
import java.util.Set;
class Main {
public static void main(String args[])
{
Set s=new LinkedHashSet();
s.add("1");
s.add(1);
s.add(3);
s.add(2);
System.out.println(s);
}
}
A – [1, 1, 2, 3]
B – [1, 2, 2 3]
C – [1, 1, 3, 2]
D – [1, 2, 3]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 6 – Java koduna ŞƏRHləri necə əlavə edirsiniz?
A – #Bu şərhdir
B – <!– Bu şərhdir –>
C – /* Bu şərhdir
D – // Bu şərhdir
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sual 8 – Aşağıdakı kodun ekran çıxışı nədir?
import java.util.Iterator;
import java.util.Vector;
class Main {
public static void main(String args[])
{
Vector vector= new Vector();
vector.add("1");
vector.add("2");
Iterator iterator=vector.iterator();
while(iterator.hasNext())
{
System.out.print(iterator.next());
}
}
}
A – 12
B – 123
C – 321
D – Paralel Modifikasiya İstisnası
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