Puts n2 n1 1000 puts n3 n2 1000 output 750000 750000 61 time in ms.
Ruby times do.
V 0 for i in 0 count 1 v 1 end puts v n3 time now usec compute millisecond timings.
This method is intended for compatibility to character literals in ruby 1 9.
Static value int ord value num return num.
It iterates over a specific range of numbers.
The word ruby comes from ruber latin for red.
Syntax collection each do variable code end.
Let s look at these in detail.
The each loop is perhaps the most useful of all the loops.
The each iterator returns all the elements of an array or a hash.
Repeating something many times6thinking like a programmer7object oriented programming download ebook ruby loops.
1learning ruby2understanding variables3working with collections4if else conditional statements5ruby loops.
Usr bin env ruby 3 times do puts this will be printed 3 times end print enter a number.
Num gets chomp to i num times do puts ruby is great end the each loop.
The loops in ruby are.
If no block is given.
Iterates the given block int times passing in values from zero to int 1.
For loop is preferred when the number of times loop statements are to be executed is known beforehand.
We will be discussing two iterators here each and collect.
Iterators return all the elements of a collection one after the other.
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.
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.
The only thing you have to do is to setup a loop to execute the same block of code a specified number of times.
Ruby program that benchmarks iterator for loop count 750000 n1 time now usec version 1.
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.
In ruby arrays and hashes can be termed collections.
For instance you want to print a string ten times.