Ruby Join Array Into String

Ruby join example convert array to string method notes.

Ruby join array into string.

But just because a class returns a string doesn t mean it behaves like a string. Use the to s method to convert all the new objects into strings. Let s look at an example. No implicit conversion of fixnum into string think about this.

Join acts on string arrays or arrays of any type of element that are converted into strings. Every ruby class with the exception of basicobject implements the to s method to return itself as some type of string representation. 1 typeerror. Ruby program that combines two string arrays left virus disease right bacteria germ concatenate the two string arrays together.

How to insert an item into an array at a specific index javascript. 1 typeerror. Browse other questions tagged ruby arrays string or ask your own question. Arr a b c arr join abc it s also possible to pass an argument to join this argument is the character separator.

This assumes you are trying to join an array of strings if you had an array of integers for instance than the e part would fail as there as the is not implemented for string integer. Convert an array to a string. If you want to combine a string with variables but one of the variables isn t a string you ll get an unexpected result. No implicit conversion of fixnum into string 1 x01 what s the solution.

The elements are placed together in a four element array. Arr a b c arr join a b c.