Ruby program to concatenate the strings using the << operator

Program/Source Code:

The source code to concatenate the strings using the "<<" operator is given below. The given program is compiled and executed successfully.

# Ruby program to concatenate the 
# strings using "<<" operator

str1 = "Hello ";
str2 = "how ";
str3 = "are you. ";

str1 << str2 << str3;

print str1;

Output:

Hello how are you.

Explanation:

In the above program, we created three strings str1, str2, str3, that are initialized with "Hello ", "how ", "are you ". Then we concatenated the strings using the "<<" operator and printed the result.