Java - Counting number of Characters, Words and Lines using the Java Scanner
In this Java programming Tutorial I'll teach you how to write a program to count the number of characters, words and lines in a file.
Name of the file is taken as an input from the user using the scanner, if the user types the filename incorrect, the program will prompt for re-inputting the file name. The file is processed as line-based and token based by using various Scanner methods.
Following topics will be covered in this tutorial:
Java Scanner class, hasNextLine(), nextLine(), hasNext(), next(), line-based file processing, token-based file processing, private, public, methods, variables, PrintWriter, Exception Handling, File, canRead(), File Input and Output, String length(), while loop, for loop, Java OOP, System.out, System.in, print(), println().
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