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• Basic data structures in Ruby (Scalar, Array, Hash)

• Convert String to Number in Ruby

• Groovy casting

• How to convert a string to UPPERCASE or lowercase in Ruby?

• Exercise: sort mixed string

• Groovy: remove spaces from a string

• Programming Bootcamp for Scientists #14 - f-strings and formatted printing

• Groovy string length

• Iterate over characters of a string in Ruby

• CI for multi_string_replace Ruby Gem

• Bash shell substring

• Groovy: substring