Objective: The objective of this exercise is to write a program that reads a
\u-escaped file and converts it to pure Unicode.
Java source code is written in pure ASCII with Unicode characters written as a
\u followed by the four-hexadecimal-digit
equivalent of the Unicode character. For examples of this, see
The Java Language Specification, Paste the source code below and click the
Submit button when you are ready to submit this exercise.