
Java 2
Quiz
•
Others
•
University
•
Medium
Magzhan undefined
Used 1+ times
FREE Resource
69 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ArrayList қандай жағдайда қолданылады?
Элементтер саны динамикалық өзгеретін коллекция үшін.
Элементтер саны алдын ала белгілі болғанда.
Тек бүтін сандар үшін.
Тек бір өлшемді массив үшін.
Қате
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ArrayList-те белгілі бір элементтің бар-жоғын қалай тексереміз?
list.contains(element);
list.has(element);
list.search(element);
list.find(element);
list.plus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Төмендегі код не шығарады? ArrayList
1
2
3
Қате шығарады.
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ArrayList-ті салыстыру үшін қандай әдіс қолданылады?
list.equals(otherList);
list.compare(otherList);
list.match(otherList);
list.isEqual(otherList);
list.plus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ArrayList-тегі бірінші элементті қалай аламыз?
list.get(0);
list.first();
list.peek();
list.getFirst();
list.plus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Төмендегі код қандай нәтиже береді? String str = "Hello"; System.out.println(str.length());
5
4
6
Қате шығарады.
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Жолды бас әріптерге ауыстыру үшін қандай әдіс қолданылады?
str.toUpperCase();
str.toUpper();
str.toCapital();
str.capitalize();
list.plus
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