Explanation of Solution
Program code:
Main.java
//import the required packages
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
//define a class Main
public class Main
{
//define a method readEntireFile
public static String readEntireFile(Scanner sc)
{
//create a string variable
String result = "";
//iterate a while loop to get the lines
while (sc.hasNextLine())
{
//getting lines of the file
String line = sc.nextLine();
//concatenating the lines
result += line;
}
//return the result
return result;
}
//define the main() method
public static void main(String[] args) throws FileNotFoundException
{
//create the Scanner object
Scanner in = new Scanner(System.in);
//prompt the user to enter the name of the file
System.out.println("Enter file name:");
//create object of the File class and scan for the file name
File file = new File(in.nextLine());
//referring the file using Scanner object
in = new Scanner(file);
//call the method readEntireFile
String content = readEntireFile(in);
//print the contents of the file
System.out.println("Contents of the file are:\n" + content);
}
}
Example...
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