107 725
Assignments Done
96.6%
Successfully Done
In April 2024
In April 2024
Your physics assignments can be a real challenge, and the due date can be really close — feel free to use our assistance and get the desired result.
Physics
Be sure that math assignments completed by our experts will be error-free and done according to your instructions specified in the submitted order form.
Math
Our experts will gladly share their knowledge and help you with programming projects. Keep up with the world’s newest programming trends.
Programming
Answer to Question #20049 in Java | JSP | JSF for nohra
Question #20049
An HTML file starts with and ends with . How to write a short java program that reads a file and checks whether that is true.
Expert's answer
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
public class main {
public
static void main(String[] args) throws IOException {
ArrayList<String>
lst = read("1.html");// read to arraylist
if
(lst.get(0).toLowerCase().startsWith("<html>")
&&
lst.get(lst.size() - 1).toLowerCase().endsWith("</html>"))//
checking HTML for starts with <HTML> and ends with </HTML>
{
System.out.println(true);//
An HTML file starts with <HTML> and ends with </HTML> (true)
}
else {
System.out.println(false);
}
}
/**
* read file
*
* @param file
* @return
* @throws IOException
*/
public
static ArrayList<String> read(String file) throws IOException {
ArrayList<String>
lst = new ArrayList<String>();
String
line = null;
BufferedReader
br = new BufferedReader(new InputStreamReader(
new
FileInputStream(file)));
lst
= new ArrayList<String>();
try
{
while
((line = br.readLine()) != null) {
if
(!(line = clearRow(line)).equals("")) {
lst.add(line);
}
}
}
catch (IOException e) {
e.printStackTrace();
}
br.close();
return
lst;
}
/**
* clear spaces and tabs
*
* @param row
* @return
*/
public
static String clearRow(String row) {
String
res = row.replaceAll(" ", "");// clear all spaces
res
= res.replaceAll(" ",
"");// clear all tabs
return
res;
}
}
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
#339914 on Dec 2023
#339914 on Dec 2023
Comments
Leave a comment