
JAVA_2
Quiz
•
Computers
•
University
•
Medium
Shiwen Zhang
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
在Java中使用switch语句时,若忘记在case语句后写break,会发生什么?
编译错误
运行时错误
没有任何影响
发生“穿透”
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Java中的`continue`关键字有什么作用?
终止循环
跳过当前循环的剩余部分并开始下一次迭代
退出当前方法
无条件地执行循环的下一次迭代
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
在Java中声明一个枚举类表示星期的正确方式是什么?
class Day { MONDAY, TUESDAY, WEDNESDAY, ... }
enum Day { MONDAY, TUESDAY, WEDNESDAY, ... }
interface Day { MONDAY, TUESDAY, WEDNESDAY, ... }
struct Day { MONDAY, TUESDAY, WEDNESDAY, ... }
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
表达式"(6 > 3) && (5 < 2)"的值是( )
true
false
编译错误
运行时错误
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Java中,break语句可用于跳出当前循环。
true
false
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
在Java中,do-while循环至少执行一次循环体。
true
false
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Java中,逻辑运算符"&&"和"||"都是短路运算符。
true
false
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