which two are valid constructors for thread runnable r string name..., Threading, Java

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Question:Which two are valid constructors for Thread?

    Thread(Runnable r, String name)
    Thread()
    Thread(int priority)
    Thread(Runnable r, ThreadGroup g)
    Thread(Runnable r, int priority)

A 1 and 3 
B 2 and 4 
C 1 and 2 
D 2 and 5

/15

+ AnswerC

+ Explanation(1) and (2) are both valid constructors for Thread.

(3), (4), and (5) are not legal Thread constructors, although (4) is close. If you reverse the arguments in (4), you'd have a valid constructor.

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Question:Which two are valid constructors for Thread? Thread(Runnable r, String name) Thread() Thread(int priority) Thread(Runnable r, ThreadGroup g) Thread(Runnable r, int priority)

A 1 and 3

B 2 and 4

C 1 and 2

D 2 and 5

C