Program $1$:

Reading $/$ Writing multiple data types

Write $3$ files each with $10$ lines of $3$ different data types.

Integers

Write a series of $10$ random integers to a file "integers.txt$"$

Read those integers from the file

Doubles

Write a series of $10$ random doubles to a file "doubles.txt$"$

Read those doubles from the file

Strings

Write a series of $10$ random strings to a file "strings.txt$"$

Read those strings from the file

For each of the $3$ data types and their specified file:

Java.... Open the file for writing

Write $10$ lines of the respective data type

Close the file

Open the file for reading

Read all lines from the file and print them to the console

Print the file name that is being opened and closed

Use the following to create a random string: