Ruby | Hash size() method - Coding

Hash#size() is a Hash class method which returns the count of key-value pair in the hash.

Syntax: Hash.size()

Parameter: Hash values

Return: count of key-value pair in the hash.

Example #1 :

# Ruby code for Hash.size() method 
  
# declaring Hash value 
a = {a:100, b:200} 
  
# declaring Hash value 
b = {a:100, c:300, b:200} 
  
# declaring Hash value 
c = {a:100} 
  
  
# size Value 
puts "Hash a size form : #{a.size}\n\n"
  
puts "Hash b size form : #{b.size}\n\n"
  
puts "Hash c size form : #{c.size}\n\n"

Output :

Hash a size form : 2

Hash b size form : 3

Hash c size form : 1

Example #2 :

# Ruby code for Hash.size() method 
  
# declaring Hash value 
a = { "a" => 100, "b" => 200 } 
  
# declaring Hash value 
b = {"a" => 100} 
  
# declaring Hash value 
c = {"a" => 100, "c" => 300, "b" => 200} 
  
  
# size Value 
puts "Hash a size form : #{a.size}\n\n"
  
puts "Hash b size form : #{b.size}\n\n"
  
puts "Hash c size form : #{c.size}\n\n"

Output :

Hash a size form : 2

Hash b size form : 1

Hash c size form : 3

Reffered: https://www.geeksforgeeks.org

Ruby

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