Ruby program to pad a string with 0\'s on left side

Program/Source Code:

The source code to pad a string with 0's on the left side is given below. The given program is compiled and executed successfully.

# Ruby program to pad a string with 
# 0's on the left side

str = "12345";

rPadStr = str.rjust(10,"0");

print "Right justified string padded with 0's in left side: ",rPadStr;

Output:

Right justified string padded with 0's on left side: 0000012345

Explanation:

In the above program, we created a string str initialized with "12345". Then we used the rjust() method to pad the string from the left side with a specified character and return the updated string. After that, we printed the updated string.