Copyright © – Sudharsan Iyengar

CS – 234. Lab 7 Loops Continued 3/6/25

Write a class – lab7methods – that has the following methods.

a) A method that takes in a string and returns the number of vowels in the string.

b) A method that takes in a number and returns the number of digits in the number.

c) A method that takes in a string and returns a number that is the sum of all the characters’ values (their ASCII equivalent) in the string.

d) A method that takes a number and a character (letter) and returns

a. A string that looks like a square drawn with the letter (as shown below) if the number is even

If the number is 4 and the letter is ‘a’ –

aaaa

a a

a a

aaaa

b. A string that looks like a triangle (as shown below) if the number is odd

If the number is 5 and the letter is P -

P

P P

PPPPP

Develop each of the methods and test them by calling them in the driver class.