How to print the value of string in this program?

Question

https://code.sololearn.com/cOAy4p7JQeD1/?ref=app

Answer 1

Read a line before reading value for <str>. Something is left behind in the input stream after reading a char for <ch>, which prevents a correct read operation.

in.readLine(); // add this
str = in.readLine();

Answer 2

Thankq Ipang ☺☺