Chapter 6.1, Problem 1SCP

Explanation of Solution

Files:

• A file contains collection of information that is stored on a computer. The file is given a particular name.
• The files can be categorized to different like, text file, and binary files and so on. This categorization is done according to the data they used to store in it.
• The text files are edited using simple text editors, but the binary files require special software to process.
• The files have different extensions to show the type of information it holds. The file extensions and the description is given below,

Extension	Description
...

Explanation of Solution

Accessing files in java:

• For accessing a file from inside a java program, the user should construct an internal object that represents the file.
• The class “File” helps the user to create an object that represents the file.
• The object can be created by the following line of code,

File f = new File(“halmet.txt”);

Reading the data from the files using “Scanner” class:

• The user can read data from a file using the object of “Scanner” class.
• The Scanner object is like a faucet, that the user can attach a pipe that has water flowing through it...