Home » Ruby Tutorial » Ruby Programs

Ruby program to demonstrate the if-else statement

Last Updated : December 15, 2025

Problem Solution

In this program, we will demonstrate the if-else statement. Here, we will read an integer number from the user and check input number is "EVEN" or "ODD" using the if-else statement.

Program/Source Code

The source code to demonstrate the if-else statement is given below. The given program is compiled and executed successfully.

# Ruby program to demonstrate 
# the if-else statement

print "Enter number: ";
num = gets.chomp.to_i;  

if(num%2 == 0)
    print ("Number is EVEN");
else
    print ("Number is ODD");
end

Output

RUN 1:
Enter number: 24
Number is EVEN

RUN 2:
Enter number: 121
Number is ODD

Explanation

In the above program, we read an integer number from the user using gets.chomp.to_i. Then we found the given number is EVEN or ODD using the if-else statement and printed the result.

Ruby if/else Programs »