puts "I love ICE CREAM".downcase
//strip method to remove extra spaces from the start and from the end of a string
puts " Bobo ".strip
//the to_s method to convert an integer to string. to_s stands for “to string”. Let’s use to_s on 24 to make it a string.
puts "Ruby is " + 24.to_s + " years old now"
//use the to_i method. to_i is a short form for to integer.
puts "18".to_i + 2
//the capitalize method to turn only the first letter of a string into a capital letter.
puts "miami".capitalize
//In Ruby, we can call multiple methods one after another.
name = "John Smith"
puts name.upcase.downcase.capitalize
//First position is zero not 1
string = "hello"
puts string[0]
//use -1 to find the last letter of the string hello.
string = "hello"
puts string[-1] //o
// next to last? For that, we can use -2.
string = "hello"
puts string[-2] //l
//start_with? to check if a string starts with the given string.
name = "Bobo xiao"
puts name.start_with("Bobo") // true
puts name.start_with("Bo") // true
//include? to check if a string includes another string.
name = "Bobo xiao"
puts name.include?("xiao") // true
puts name.include?("xi") // true
//chars to convert a string into a list of characters.
name = "Bobo"
characters = name.chars
puts "printing all characters"
puts characters // ["B", "o", "b", "o",]
puts "printing 3rd character"
puts characters[2] // b
//using double quoted string
name = "Bobo xiao"
greetings = "Good morning #{name}"
puts greetings
Given below is the list of escape sequences with their corresponding meaning:
` Single quote
" Double quote
\a Audible bell
\b Backspace
\f Form feed
\r Carriage return
\s A space
\t Horizontal tab
\n New line
string = "I am John.\n I am 25 years old"
puts string
//Get a Part of the String
game = "basketball"
puts game[0,6] // basket
