Explanation: The program is almost same as the previous one, but here we are reading into data from the
console. Whatever you read from console using the readLine method is treated as string even if integer,
float is input, etc. Assume that you entered 30, but 30 is a string not an integer. This 30 in string form
is stored in the string snum. To convert the string into the integer, we have a static method parseInt of
the Integer class which converts a string into an integer and returns the integer. The returned integer 30 is
stored in variable num. If you ...
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