course-2002-03-msil.check

来自「JAVA 语言的函数式编程扩展」· CHECK 代码 · 共 68 行

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False
True
True
False

set0 = []
set1 = [1]
set2 = [1,2]
set3 = [1,2,3]
set4 = [1,2,3,4]

set2 contains the following elements:
1
2

set3 contains the following elements:
1
2
3

set4 contains the following elements:
1
2
3
4

2 <- set2: True
3 <- set2: False

setx     = [-10,-1,0,3,5,21]
setx * 2 = [-20,-2,0,6,10,42]

setx        = [-10,-1,0,3,5,21]
sety        = [-9,-5,-1,0,3,7,8]
setx & sety = [-1,0,3]
sety & setx = [-1,0,3]
setx > 0    = [3,5,21]
sety > 0    = [3,7,8]
setx & sety = [-1,0,3]
sety & setx = [-1,0,3]

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