List of products

Create a class Product to hold products, which have name (string) and
price (decimal number). Read from a text file named "Input.txt" a list
of products. Each product will be in format name + space + price. You
should hold the products in objects of class Product. Sort the products
by price and write them in format price + space + name in a file named
"Output.txt". Ensure you close correctly all used resources.
Sum of Numbers from TXT file

Write a program to read a text file "Input.txt" holding a sequence of
integer numbers, each at a separate line. Print the sum of the numbers
at the console. Ensure you close correctly the file in case of exception
or in case of normal execution. In case of exception (e.g. the file is
missing), print "Error" as a result.
Random Hands of five cards

generate n random hands of 5 different cards form a standard suit of 52
cards.