Ruby Times Do

Usr bin env ruby 3 times do puts this will be printed 3 times end print enter a number.

Ruby times do.

Repeating something many times6thinking like a programmer7object oriented programming download ebook ruby loops. For instance you want to print a string ten times. Iterators return all the elements of a collection one after the other.

The each iterator returns all the elements of an array or a hash. The color of a ruby is due to the element chromium. Use times iterator v 0 count times do v 1 end puts v n2 time now usec version 2. For example a ord returns 97 both in 1 8 and 1 9.

Syntax collection each do variable code end. The only thing you have to do is to setup a loop to execute the same block of code a specified number of times. Iterates the given block int times passing in values from zero to int 1. A ruby is a pink to blood red coloured gemstone a variety of the mineral corundum aluminium oxide other varieties of gem quality corundum are called sapphires ruby is one of the traditional cardinal gems together with amethyst sapphire emerald and diamond.

1learning ruby2understanding variables3working with collections4if else conditional statements5ruby loops. We will be discussing two iterators here each and collect. It iterates over a specific range of numbers. The loops in ruby are.

Num gets chomp to i num times do puts ruby is great end the each loop. Let s look at these in detail. Static value int ord value num return num. You can type ten print statement but it is easier to use a loop.

V 0 for i in 0 count 1 v 1 end puts v n3 time now usec compute millisecond timings. For loop is preferred when the number of times loop statements are to be executed is known beforehand. Each loop will take a list of variables and run a block of statements for each of them. Repeating something many times in this lesson you ll learn 7 ways to write loops in ruby.

This method is intended for compatibility to character literals in ruby 1 9. If no block is given. In ruby arrays and hashes can be termed collections. The each loop is perhaps the most useful of all the loops.

The word ruby comes from ruber latin for red.