RosettaCodeData/Task/Arrays/Groovy/arrays-1.groovy

21 lines
856 B
Groovy

def aa = [ 1, 25, 31, -3 ] // list
def a = [0] * 100 // list of 100 zeroes
def b = 1..9 // range notation
def c = (1..10).collect { 2.0**it } // each output element is 2**(corresponding invoking list element)
// There are no true "multi-dimensional" arrays in Groovy (as in most C-derived languages).
// Use lists of lists in natural ("row major") order as a stand in.
def d = (0..1).collect { i -> (1..5).collect { j -> 2**(5*i+j) as double } }
def e = [ [ 1.0, 2.0, 3.0, 4.0 ],
[ 5.0, 6.0, 7.0, 8.0 ],
[ 9.0, 10.0, 11.0, 12.0 ],
[ 13.0, 14.0, 15.0, 16.0 ] ]
println aa
println b
println c
println()
d.each { print "["; it.each { elt -> printf "%7.1f ", elt }; println "]" }
println()
e.each { print "["; it.each { elt -> printf "%7.1f ", elt }; println "]" }