A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Write a program that can create a concordance ( A concordance lists every word that
occurs in the document, and for each word it gives the line number of every line in the
document where the word occurs ).The document should be read from an input file, and the
concordance data should be written to an output file. The names of the input file and output
file should be specified as command line arguments when the program is run.