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pauladam/jr-test.txt

Created April 19, 2013 00:27
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Re-opening Java classes from Jruby example
Raw
jr-test.txt
jr-test $: cat jr-test.rb
require 'java'
class java::lang::String
# redefine length to give random values
# instead of the correct one
def length
(rand() * 100).to_i
end
end
j_string = java::lang::String.new(ARGV.first)
puts j_string.length
jr-test $: ruby jr-test.rb a-string
53
jr-test $: ruby jr-test.rb a-string
41
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