Ruby Array New

In this tutorial we are going to learn how to create an array with array new array object in ruby programming language.

Ruby array new.

Submitted by hrithik chandra prasad on december 26 2019. Creating array in ruby. In the previous article we have learned how we can declare an array class instance with the help of array new size obj method. Here s an example of an array that contains a string a nil value an integer and an array of strings.

In the first form if no arguments are sent the new array will be empty. You can also notice that in the program codes written to. The second form creates a copy of the array passed as a parameter the array is generated by calling to ary on the parameter. Returns a new array.

The second form creates a copy of the array passed as a parameter the array is generated by calling to ary on the parameter. Ruby arrays grow automatically while adding elements to them. Returns a new array. Usr bin env ruby array array new 3 times do str gets chomp array push str end use an array literal to store known information another use of arrays is to store a list of things you already know when you write the program such as the days of the week.

In the first form if no arguments are sent the new array will be empty. There are many ways to create or initialize an array. When a size and an optional obj are sent an array is created with size copies of obj take notice that all elements will reference the same object obj. Ruby arrays are not as rigid as arrays in other languages.