
Concept explainers
Explanation of Solution
Program code:
Main.java
//import the required packages
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.io.PrintStream;
//define a class Main
public class Main
{
//define a method wordWrap3
public static void wordWrap3(Scanner input)
{
//iterate a while loop
while (input.hasNextLine())
{
//get the lines of the file
String line = input.nextLine();
//iterate a while loop
while (line.length() > 60)
{
//if the condition is true
if (line.charAt(60) == ' ')
{
//print the substring
System.out.println(line.substring(0, 60));
//create the substring
line = line.substring(61);
}
//if the condition is false
else
{
//omitting the space at the end of a line with size 60
int index = line.substring(0, 60).lastIndexOf(" ");
System.out.println(line.substring(0, index));
line = line.substring(index + 1);
}
}
//print the line
System.out.println(line);
}
}
//define the main() method
public static void main(String args[])throws FileNotFoundException
{
//create an object of Scanner
Scanner input = new Scanner(new File("file.txt"));
//call the method wordWrap3()
wordWrap3(input);
}
}
File.txt
Twas briilng and the slithy toves did gyre and gimble in the wabe All mimsey were the borogroves, and the mome raths outgrabe...

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Chapter 6 Solutions
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