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选什么?
来源: 互联网 发布时间：2015-01-25
本文导语: Which of the following thread state transitions are valid? A From ready to running. B From running to ready. C From running to waiting. D From waiting to running. E From waiting to ready. F From ready to waiting. 选什么?为什么? ...
Which of the following thread state transitions are valid?
A From ready to running.
B From running to ready.
C From running to waiting.
D From waiting to running.
E From waiting to ready.
F From ready to waiting.
选什么?为什么?
A From ready to running.
B From running to ready.
C From running to waiting.
D From waiting to running.
E From waiting to ready.
F From ready to waiting.
选什么?为什么?
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我怎么看像操作系统中的进程概念？难道SCJP也考。
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A
//B不对 from running to waiting not ready
C
//D不对 不能直接到running
E
F
//B不对 from running to waiting not ready
C
//D不对 不能直接到running
E
F
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d,f是错的。
waiting->seeking lock->ready
ready->running
waiting->seeking lock->ready
ready->running
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i agree with panq
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