Home » Ruby

Ruby Programs

Ruby Programs / examples: This section contains solved Ruby Programs/examples on various topics such as basic programs, conditions & control statement-based programs, looping programs, array & string programs, structure programs, function & package-based programs, etc. with examinations and outputs.

Ruby Programs Index

Ruby Basic Programs

• Ruby program to print Hello World!
• Ruby program to add two integer numbers
• Ruby program to find the area of the rectangle
• Ruby program to check leap year
• Ruby program to print power of a number
• More Ruby Basic Programs ...

Ruby if/else Programs

• Ruby program to demonstrate the if statement
• Ruby program to demonstrate the if-else statement
• Ruby program to demonstrate the ladder if statement
• Ruby program to demonstrate the nested if statement
• More Ruby if/else Programs ...

Ruby case Statement Programs

• Ruby program to demonstrate the case statement
• Ruby program to demonstrate the case statement with range
• Ruby program to demonstrate the case statement with multiple values in the when block
• Ruby program to demonstrate the case statement with string
• Ruby program to check the input string contains numbers or letters using case statement
• More Ruby case Statement Programs ...

Ruby Looping Programs

• Ruby program to print numbers from 1 to 5 using for loop, while, and do...while loop
• Ruby program to implement an infinite loop using the while loop
• Ruby program to implement an infinite loop using the 'do' loop
• Ruby program to demonstrate the nested 'while' loop
• Ruby program to demonstrate the nested 'for' loop
• More Ruby Looping Programs ...

Ruby Classes & Objects Programs

• Ruby program to create a simple class
• Ruby program to create an object of the class
• Ruby program to create a data member inside the class
• Ruby program to create a class with data members and initialize using initialize() method
• Ruby program to create the multiple objects of the class
• More Ruby Classes & Objects Programs ...

Ruby User-defined Functions Programs

• Ruby program to create a user-defined function without argument and without a return value
• Ruby program to create a user-defined function with arguments but without a return value
• Ruby program to create a user-defined function without argument but return a value
• Ruby program to create a user-defined function with arguments and a return value
• Ruby program to pass an array to the user-defined function
• More Ruby User-defined Functions Programs ...

Ruby Blocks Programs

• Ruby program to create block using 'do...end' statement
• Ruby program to create a block using curly braces {}
• Ruby program to demonstrate the argument passing to block
• Ruby program to return the values from the block
• Ruby program to demonstrate the yield statement
• More Ruby Blocks Programs ...

Ruby Modules and Mixins Programs

• Ruby program to demonstrate a simple module
• Ruby program to create a module with variables
• Ruby program to include a module inside the class
• Ruby program to create a nested module
• Ruby program to create a module with constant
• More Ruby Modules and Mixins Programs ...

Ruby Strings Programs

• Ruby program to illustrate the creation of strings
• Ruby program to illustrate the difference between single quote string and double-quote string
• Ruby program to create a String object
• Ruby program to find the length of a string
• Ruby program to get characters from a string using the index
• More Ruby Strings Programs ...

Ruby Arrays Programs

• Ruby program to create an array using literal constructor '[]'
• Ruby program to create an array using Array class
• Ruby program to create an array using the new() class method
• Ruby program to get the length of an array using the length() method
• Ruby program to get the size of an array using the size() method
• More Ruby Arrays Programs ...

Ruby Constructors/Destructors, Inheritance Programs

• Ruby program to implement single inheritance
• Ruby program to override the superclass method into sub-class
• Ruby program to call the overridden superclass method from the subclass
• Ruby program to call a superclass constructor from sub-class using the super() method
• Ruby program to initialize instance variables using the constructor
• More Ruby Inheritance Programs ...

Ruby Date and Time Programs

1. Ruby program to get current date-time using inspect() method
2. Ruby program to get the individual components of the current date-time
3. Ruby program to get the current weekday
4. Ruby program to get the current time zone
5. Ruby program to get the current day of the year out of 365
6. More Ruby Date and Time Programs ...

Ruby Set Programs

1. Print the elements of a set in Ruby
2. Find the length of a set in Ruby
3. Check the presence of an element in the set in Ruby
4. Join all the elements of two sets in Ruby
5. Find the common elements from two sets in Ruby
6. Find the difference between two sets in Ruby
7. Merge two sets in Ruby
8. Check whether the set is empty or not in Ruby
9. Delete and replace an element from the set in Ruby
10. More Ruby Set Programs ...

Ruby File Handling Programs

1. Ruby program to create an empty file
2. Ruby program to write text into the file
3. Ruby program to read entire text from the existing file
4. Ruby program to read lines from the existing file
5. Ruby program to read the specified number of characters from the existing file
6. More Ruby File Handling Programs ...

Ruby Threading Programs

1. Ruby program to create a simple thread
2. Ruby program to create multiple threads
3. Ruby program to sleep thread execution for a specific time
4. Ruby program to join multiple threads using each() method
5. More Ruby Threading Programs ...

Ruby Hashes Programs

1. Ruby program to create a hash collection
2. Ruby program to get keys from a hash collection
3. Ruby program to compare two hash collections using '==' operator
4. How to check if a hash key exists in Ruby?
5. How to add elements to a Hash in Ruby?
6. More Ruby Hashes Programs ...

Ruby Directories Programs

1. Ruby program to create a directory
2. Ruby program to check a directory is exist or not
3. Ruby program to print the current working directory
4. Ruby program to remove a specified directory
5. Ruby program to get the list the name of files in a specified directory
6. More Ruby Directories Programs ...

Ruby Miscellaneous Programs

• Ruby program to print Hello World!
• Ruby program to add two integer numbers
• Ruby program to find the area of the rectangle
• Ruby program to check leap year
• Ruby program to print power of a number
• Ruby program to print Fibonacci series
• Ruby program to check whether the given number is prime or not
• Ruby program to find factorial of a given number
• Ruby program to check whether a variable is defined or not
• Ruby program to calculate the sum of all even numbers
• Ruby program to calculate the sum of all odd numbers up to N
• Ruby program to count the number of digits in a number
• Ruby program to print multiplication table of a number