
Викторина по методам и символам в Java
Authored by Татьяна Смирнова
Computers
University
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой метод в классе Math возвращает тригонометрический синус угла в радианах?
cos(radians)
asin(a)
sin(radians)
tan(radians)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой метод округляет число x в меньшую сторону до ближайшего целого?
ceil(x)
floor(x)
round(x)
rint(x)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой из следующих методов преобразует угол из градусов в радианы?
toDegrees(radians)
sin(radians)
toRadians(degree)
cos(radians)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой символ используется для представления единичных символов в Java?
string
char
int
boolean
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой стандарт кодирования поддерживается в Java для обработки текстов на различных языках?
ASCII
ISO-8859-1
UTF-8
Уникод
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой метод возвращает угол в радианах для арксинуса?
acos(a)
sin(radians)
asin(a)
atan(a)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой из следующих методов возвращает случайное целое число между a и a + b?
Math.random()
Math.ceil()
a + Math.random() * b
Math.floor()
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