Q:

Ruby program to get keys from a hash collection

belongs to collection: Ruby Hashes Programs

YasminRadwan26
Save to bookmark
|
2022-07-23
|
  257 
0

In this program, we will create a hash collection. Then we will get keys from the hash collection using the keys() method and print the result on the console screen. A hash collection stores information in the form of "Key/Value" pair.

Ruby on rails programming, examples, Ruby on rails programming examples,
login and add your own answer to this question

All Answers

YasminRadwan26
2022-07-23
need an explanation for this answer? contact us directly to get an explanation for this answer

Program/Source Code:

The source code to get keys from a hash collection is given below. The given program is compiled and executed on Windows 10 Operating System successfully.

# Ruby program to get keys 
# from a hash collection

students = {"101" => "Amit", "102" => "Arun", "103" => "Sumit"};

puts "Student ids: ",students.keys();

Output:

Student ids: 
101
102
103

Explanation:

In the above program, we created a hash collection to store student information. Here we stored student id, student name using key/value pair in the hash collection. After that, we got keys from the hash collection using the keys() method and printed them.

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)

Ruby Hashes Programs
This question belongs to these collections

Similar questions

need a help?

find thousands of online teachers now
Ruby program to compare two hash collections using... >>
<< Ruby program to create a hash collection...