How To Check If Email Account Exists Using JAVA
Feb 6, 2015
I need to check the existence of email accounts before sending them mails to avoid going to a blacklist for sending to non real accounts.
I was thinking on (SSL)Sockets and smtp commands but I cant get it to work properly I am shooting in the dark here...
I have a JAVA application that sends mail to the people that buy certain things but the information quality is bad, so I must check if the mail exists before sending the mail....
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Nov 10, 2014
How to write a driver program, this my code I have :
import java.util.Date;
public class myAccount {
public static void main(String[] args) {
//create an instance object of class Stock
Account myAccount = new Account(012233445566, 20000.00, 0.045);
[Code] ......
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Apr 8, 2014
How to fix the error with the line:
Account account1 = new account(1122, 20000.00);
import java.util.Date;
public class AccountClass {
class Account {
private int id;
private double balance;
private double annualInterestRate;
[Code] ....
I forgot to mention, the error says "account cannot be resolved to a type"
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Apr 5, 2014
I want to validate an email input. The email input can only have one @ and at least one '.' after the @. I would like to ask if my regex pattern is correct.
YOUR CODE HERE
import java.util.InputMismatchException;
import java.util.Scanner;
public class email
{
public static void main(String []args) {
[Code] ....
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Oct 8, 2014
i found a code to get emails from gmail in this forum.It's working very well, now i want to delete a specific sender email address.
So i can have the sender email with this:
Java Code: String senderAddress = aMessage.getFrom()[0].toString();
System.out.println(" From: " + senderAddress); mh_sh_highlight_all('java');
Now i want to do something like
Java Code: If (senderAddress = "test@gmail.com"){
message.setFlag(Flags.Flag.DELETED, true);
} mh_sh_highlight_all('java');
but it's not working.
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Jul 23, 2014
I have saved emails that are stored in to text files and I want to retrieve the Sender, Reciever, Subject and the Email Content.I am using From: as a delimiter and To: as a delimiter and Subject as a delimiter and I am not sure what delimiter I should set for the email content.Also, there can be emails that will have comments after the message content and I plan on using the delimiter Comments:.
Any example of what delimiters I should use it would be great. Also I would like to know how check whether or not a delimiter exists so that I can print out the comments if it exists and if the file does not have comments, it prints out nothing.
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
[code].....
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Aug 9, 2014
I have a request to create a java scheduled job to send email with attachment of word document every week. any example codes I can use. This is my first time to code this request, I do not what is the standard way to do it.
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Apr 24, 2014
I will be developing a change and would like to know how can i parse a mail header in OBPM using java.
I want to get the message id, date and time the email recieved and email size.
Our code is already fetching the attachment of the email using the following syntax.
mailAttachments = mail.attachments;
I tried creating a variable like mailHeaders = mail.headers, would you know how can i get the details i want by parsing the variable? so far I wasn't able to check what mail.headers return as i'm currently having issues running our code locally due to DB connections.
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Mar 20, 2014
I am reading mail by using pop3 in java mail. In outlook I found we can leave the copy of mail in server side after reading. Shall we do that process in java mail ?
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Jul 18, 2014
There's loads of problems with this. What I'm trying to do.
1) get a program to add the contents of an array together, preferably with a for loop and not the heavy handed version I've tried to use here.
2) get the for loop's output just once, since it won't compile or recognise the variable outside of the loop. How do I make the loop's 'counter' variable available everywhere?
public class retint {
public static void main(String[] args){
int[] onetoTen = {1,2,3,4,5,6,7,8,9,10};
for (int i=0; i<10; i++) {
int counter = (onetoTen[0] + onetoTen[1] + onetoTen[2] + onetoTen[3] + onetoTen[4] + onetoTen[5] +
onetoTen[6] + onetoTen[7] + onetoTen[8] + onetoTen[9]);
System.out.println(counter);
}
}
Terrible code, I know. There has to be a more efficient way.
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Oct 10, 2014
I have tried this code to insert into datbase if not exists but i get an Exception in thread "main" com.mysql.jdbc. exceptions.jdbc4. MySQL SyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE NOT EXISTS (SELECT teamName FROM Teams WHERE teamName = teamName) LIMIT 1' at line 1
stmt.executeUpdate("INSERT INTO Teams(teamId,teamName,league) VALUES ("+i+",'"+loser+"','"+league2+"')WHERE NOT EXISTS (SELECT teamId,teamName,league FROM Teams WHERE teamName = teamName) LIMIT 1;");
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Feb 4, 2015
I'm currently working on a java project simply to learn java. So far, it creates a window and makes a properties file, or appends data to it if it already exists. The problem is that I'm not quite sure how to check if the file already exists to append data to it. I'm currently using a boolean (configCreated) that appends data when true, and creates a file when false. The problem is that this boolean is always false since it's at the beginning.
Java Code:
package Setup;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Properties;
[code]...
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Jan 21, 2014
Logic her eis when user selects option1, it asks for user to enter name and as soon as user enters name, it should compar name to existing names in txt file. I have user while loop and for loop but for some reason, it doesnt compare properly as there seems to be some mistake in looping and it just read first line or you can say single line rather than comparing it with all lines in txt file. i have attached votes.txt file with this. Also, if user doesnt exists infile, it will ask user to enter vote as yes or no and add it to file and then count total number of Yes and No votes from file and compare them.
my votes.txt file looks as below with two columns namely (name and vote).
Hiren No
samir yes
bob no
rikul no
master yes
patrick no
summer yes
bhanja no
package samples;
import homework.EmployeeA;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
[code]....
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Nov 20, 2014
I am kind of new to programming in java and I am trying to run a first time setup type of thing for my program so I am saving the settings to a file. If the file doesn't exist I want it to run the first time setup but if the file does exist I want it to skip that process. My problem is that .exists() says reads true whether the file is there or is not there.
public static void main(String[] args)throws IOException{
new Window(); //Runs the Window()
PrintWriter writer = new PrintWriter(path);
boolean bool = new File("path.txt").exists();
System.out.println(bool);
if(!new File("path.txt").exists()){
[Code] ....
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Jul 14, 2014
I just want to check that the given PDF file is 3D PDF or normal PDF file. how can I do this in JAVA?
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Sep 23, 2014
My goal is to make a working spell check program.I have made some progress, but the more I test, the more issues I get and I continue to edit the algorithm.
import java.util.*;
import java.io.*;
public class SpellCheckTestClass{
public static void main(String [] args) throws IOException{
ArrayList<String> englishwords = new ArrayList<String>();
ArrayList<String> suggestions = new ArrayList<String>();
Scanner in = new Scanner(System.in);
String entry = in.next();
[code]....
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Dec 18, 2014
I have to ask how many children's tickets you want to order. When I apply the code below, it just accepts whatever I input, including letters. I imagine it is to do with setting childrensTickets = 0? If I input a letter using the below it accepts - shouldn't it print the error given the input is not >=0?
System.out.print("How many children's tickets do you require? ");
int childrensTickets = 0;
boolean validChildrenValue = false;
while (validChildrenValue == false) {
if(aScanner.hasNextInt()) {
[Code] ....
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Oct 16, 2014
I need to check in my java class the status of the javascript (whether it's enabled or disabled) and based on that few validations will be performed at server side.
If have to use noscript, then any small example for xhtml. My project works on Spring web flow.
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Feb 2, 2015
I am doing an assignment for a college class. We are asked to get user input and decide if it is a valid IP address and then check what class the address is and if it is a public or private address.
So far, I can get the input, and check to see if the numbers are in a valid range. I can also display the IP address to the user. I am having an issue figuring out how to get the program to check the classes and whether they are public or private.
import javax.swing.JOptionPane;
/**
This program will take user input and calculate whether it is a valid IP address and the class that it belongs to.
*/
public class shortONE_1
{
public static void main(String[] args)
{
//Variables
final int MIN_OC = 1; //Minimum number accepted
final int MAX_OC = 255; //Maximum number accepted
final int MIN_A = 1; //Min number for class A
final int MAX_A = 127; //Max number for class A
[Code] ....
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Oct 23, 2014
I've been asked to create an app for nutritionists to check what their clients are eating.
I've found a database of all foods with nutritional values. In the past I've dealt with databases which just have are just one dimensional, so it's been easy to just create a string array for it. But this is absolutely huge, it's got about 10,000 rows and 30 or so columns, so that's not going to work any more.
The app needs to ask what the client ate at which times, and then save this along with the nutritional values.
What would be the best way to go about storing and calling a database of this size in java?
Should I learn SQL and JDBC to tackle it or is there any easier way?
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Jul 29, 2014
I have a problem with several java applications. When I start them Java wants to connect to the certificate authority, to check if the certificate is still valid and not on a blacklist.
The problem is: my whole internet is behind a password protected proxy. If I open my browser i get a windows with username and password. I enter it and internet in the browser works. But for Java it isn't working, because I see no point, where I can enter the password and username for the proxy. I can enter the proxy ip and port in the java settings, but not the password and username. So I get a error screen from java, telling me, that java could not connect. I can disable the check in the java settings, but I don't wont that.
Is there a way to tell java, that java uses my proxy with my password and username? I already googled this problem and found nothing except tutorials for connecting with proxy in the java code. But these applications are not from me, I can't change the code ...
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Apr 13, 2014
Write a program that prompts the user for an input number and checks to see if that input number is greater than zero. If the input number is greater than 0, the program does a multiplication of all the numbers up to the input number starting with the input number. For example if the user inputs the number 9, then the program displays the following sum:
9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1 = 362880
That's the question I'm getting and so far all I've got is
import java.util.Scanner;
public class Lab4Q3
{
public static void main (String[] args)
{
int keyboard;
[Code] .....
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Apr 26, 2015
I have an assignment in which I have to:
1. Create a bank file with at least 10 records that include an id#, balance, and last name
2. Create another file that will read these records and then create an array of Bank Account objects
3. Create checkboxes that allow the user to select how they want the data sorted
4. List the total number of accounts at the bottom of the GUI
I've created the file no problem that actually writes the ten records. I was able to have the files be read sequentially with System.out.println(), but I can't figure out how to convert these into an array of Bank Account objects and have them show up in a scroll pane. I tried using string builder and array builder, but I couldn't figure out how to turn them into components. I then tried making an Account class to have them be sorted with comparators, but I had the same problem of actually getting them into the scroll pane. Also, as soon as I added in those methods for the GUI, the while loop wouldn't display the array information in system.out.println. Here is my code for the GUI that doesn't display anything with println ...
import java.nio.file.*;
import java.io.*;
import java.nio.file.attribute.*;
import static java.nio.file.StandardOpenOption.*;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
[Code] .....
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Apr 13, 2014
I need to make a program that uses an object to calculate balance
import java.util.Date;
public class Account {
/** Setup Default Variables */
private int id = 0;
private double balance = 0;
private double annualInterestRate = 0;
[Code] ....
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Feb 25, 2015
This is my assignment "Add two radio buttons so that the user can select the gender (male or female). Also extend your Account class so that it contains the gender information as well. When the user presses "Submit", your program should read the entered data and create an Account object that captures all the data in your interface." How would I add RadioButton to this?
This is my code so far
/**
* Orchestration class for Account
*/
public class AccountDemo {
public static int numOfAccount = 3;
public static void main(String [] args) {
Account Accountholder1,Accountholder2,Accountholder3;
[Code] ....
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May 25, 2014
I'm working on this weeks assignment and I've gotten stuck on passing information from one class to another. We are working with abstract classes this week, and the BankAccount class is the Abstract class that is extended by the CheckingAccount and the SavingsAccount classes. The Bank class is where the user inputs his/her information to process the commands. How can I work this to where the instructions are passed from the main in the Bank class to the different Account classes to actually perform the instructions?
BankAccount:
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package bankaccount;
abstract class BankAccount {
private final BankAccount acctID;
private int acctBalance = 0;
public BankAccount checking;
public BankAccount savings;
[Code] ....
I can attach a PDF of the instructions if that will provide additional insight to this. I'm sure I'll ask additional questions as we go, but I'm trying to get this to work right and figure out what I'm doing wrong.
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