Ruby | Hash size() method

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

# 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

# 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

Ruby | Hash size() method

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