单项选择题
梅特卡尔夫定律主要是描述信息网络,指出网络的价值在于网络的互联,联网的接点数与其价值呈现()的方式,联网越多,系统的价值越大。
A.正比
B.指数
C.反比
D.对数
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相关考题
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判断题
数据面对的信息价值密度都是比较高的。 -
单项选择题
public class SyncTest ( private int x; private int y; private synchronized void setX (int i) (x=1;) private synchronized void setY (int i) (y=1;) public void setXY(int 1)(set X(i); setY(i);) public synchronized Boolean check() (return x !=y;) ) Under which conditions will check () return true when called from a different class?
A. Check() can never return true.
B. Check() can return true when setXY is called by multiple threads.
C. Check() can return true when multiple threads call setX and setY separately.
D. Check() can only return true if SyncTest is changed to allow x and y to be set separately. -
判断题
物联网就是互联网和物品结合在一起。
