Java Collections
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Hard
Claudiu Haidu
Used 8+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este scopul colecțiilor în Java?
Pentru a stoca și manipula grupuri de obiecte
Pentru a efectua operații matematice
Pentru a controla fluxul programului
Pentru a gestiona excepțiile
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre interfețele următoare nu extinde interfața Collection în Java?
List
Set
Map
Queue
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce colecție în Java nu permite elemente duplicate?
ArrayList
HashSet
LinkedList
TreeMap
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce metodă în interfața Collection este folosită pentru a adăuga un element nou în colecție?
insert()
add()
put()
append()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce metodă este folosită pentru a șterge toate elementele dintr-o colecție în Java?
clear()
remove()
delete()
erase()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele implementări de Map în Java permite elemente duplicate, dar nu permite chei duplicate?
ArrayList
LinkedList
HashMap
HashSet
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce clasă din Java este folosită pentru a sorta elementele unei colecții?
Collections
Sort
Sorter
Comparator
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