Java_2
Quiz
•
Professional Development
•
Professional Development
•
Practice Problem
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Hard
Александр Митясов
Used 8+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Какого класса обертки НЕ существует?
Boolean
Character
Float
BigInteger
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Вам необходимо в цикле из 1000 итераций редактировать строку строку.
Какой тип данных подойдет?
String
char[ ]
StringBuilder
String[ ]
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
int a = 1;
Что нужно для перевода a в тип byte?
ничего, каст происходит автоматически
byte b = (byte) a
byte b = a
byte b = a+0
4.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Есть строки s1 и s2
Как проверить, что они равны друг другу по содержанию?
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Какие из примеров синтаксиса формирования массва корректные?
int a[] = {1,2,3}
int a = [1,2,3]
int[] a = new int[3]
int [] a = new int[]
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