Enter Password - If Correct Next Dialog Box Will Pop Up
Feb 28, 2015
The goal of this section of my assignment is to ask the user for a password. The password entered has to match the password I set in the code. If it is correct the next dialog box will pop up.
my password is set to:
String enterpwd = "";
String correctPassword = "Setpassword";
I am asked to use JOption, I completed as follows:
My homework is asking me to write a program that prompts the user to enter a password and displays "valid password" if the rule is followed or "invalid password"
Sample enter a string for password: wewewx valid password
It's being graded on Design of my GUI Dialog box User friendliness Creativity
My current issues with the current code I have written is simply the password doesn't work unless it starts with 2 digits, the other order it displays as wrong. and I have no idea how to add a GUI.
I simply need to write a program that asks a user to input a password. It has to be in this format: DDD-LL-DDDD. The D's mean Digit and the L's stands for Letter. The User has to enter the Hyphens.
If the password isn't entered in that exact format the program should read out a error. If the hyphens aren't entered the program should read out a error. If there are too many characters entered, there should be a error.
import java.util.Scanner; public class security { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter Security Code: "); System.out.println("Use the format: DDD-LL-DDDD and include dashes"); String code = input.next(); char c;
[Code] ....
I'm trying to figure how how to get the code to check if the values entered are in the correct place. I'm also not sure how to make the program check for hyphens. I feel like I'm close though. I can easily add the correct error and valid messages later if I could just figure out this part.
I wrote a java program for my gui number converter app, the main purpose of this program is to make sure that user enters only a binary number for conversion from binary to other number formats. the problem is my program keeps prompting me to enter correct binary number, no matter if i enter correct binary number, it will still keep prompting me to enter correct number. Here is the code
import java.util.*; public class test { Scanner key = new Scanner(System.in); String in; int b; public test()
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If a user enters a phone number (CLIENT) -> the correct person with the name and adress should appear.
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public static void main(String[] args){ { int grade = 0; Scanner input = new Scanner(System.in); System.out.println("Enter : "); grade = input.nextInt(); if (grade >= 90)
I am new to JAVA GUI programming and was wondering how you go about getting and testing if a password field text equals something. For example, if the password equals "password" then do something.
This is the code I have written so far. This program calculates tax from multiple tax payers.
import javax.swing.JOptionPane; public class CalcutateTax { public static void main (String [] args)
[code]....
The problem is I cant think how to ask the use if he wants to calculate tax due for another taxpayer. If the user says yes, keep calculating, otherwise exit from the program. And how do I keep count of how many people got their tax calculated? Say for example,
JOptionPane.showMessageDialog (null, " We calculated tax for " + xnumber + " number of people.");
This is the question asked on my assignment ask the user if he wants to calculate the tax due for another taxpayer if so, do it again.At the end of the main method, output a message in a dialog box that says: Hello, We calculated taxes for [number of taxpayers].replace [number of taxpayers] with the actual number of taxpyers you calculated taxes for.
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I've figured it out but my only problem is the output dialog box displays each row individually (a new dialog box pops up for each row). How do I get it to display the whole table???Here's my code:
Java Code: import java.util.Formatter; import javax.swing.JOptionPane; public class Homework2 { public static void main(String[] args) {
Why, when I write a right password and nickname, program says that is wrong?
public class Password { private static String password = "1234"; private static String nick = "artem"; public static void main (String args[]){ JFrame frame = new JFrame("Password"); JPanel pan = new JPanel(); JLabel lab = new JLabel("Password"); JLabel lb1 = new JLabel("Nickname");
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Example: say in my document I have My/PRONOUN name/PRONOUN is/VERB Jhon/NOUN. He/PRONOUN is/VERB going/ADJ to/PREPOSITION school/NOUN
Now I need to change My/PRONOUN name/NOUN is/VERB Jhon/NOUN. He/PRONOUN is/VERB going/VERB to/PREPOSITION school/NOUN...How to do using java. The document may contain 100 lines tagged with parts of speech.
I have managed to write the program where the user can input kg and the formula converts it into lbs. I have also written a program where I can get a dialog box to appear to ask the user to input the kg, but I can't figure out how to combine the two.
This program allows the user to input the kg, it converts it to lbs and then displays the output:
import java.util.Scanner; import javax.swing.JOptionPane; //creates a dialog box
public class convert { public static void main(String args[]) {
[Code] ....
This program only brings in the first variable and the initial dialog box:
import java.util.Scanner; import javax.swing.JOptionPane; //creates a dialog box public class KgLbs { public static void main(String args[]) {
[Code] ...
I have attached the actual assignment and what the program should look like.
The below program ask the user to enter the value of x 1 , Y 1 and radius in separate boxes , What would look nice is if the user can Enter the Value X ,Y and radius in the same box.
import javax.swing.JOptionPane; public class C3E29GeometryTwoCircles { public static void main(String[] args) { // Ask the user to enter the x1 coordinate. String strNumber = JOptionPane.showInputDialog("Enter the value of x1 coordinate " ); double x1 = Double.parseDouble(strNumber); strNumber = JOptionPane.showInputDialog("Enter the value of y1 coordinate " ); double y1 = Double.parseDouble(strNumber);
I have to return the minimum and maximum value entered by the user, so far the program returns the maximum but the minimum stays at 0. I assigned 0 to the min and max variables. I believe that is part of the problem, but why do I get an accurate answer on the max if both variables are assigned to 0?
int min = 0; int max = 0; int option = JOptionPane.YES_OPTION; while ( option == JOptionPane.YES_OPTION){ String dataString = JOptionPane.showInputDialog("Enter an integer"); int data = Integer.parseInt(dataString); if ( min > Integer.parseInt(dataString)) min = Integer.parseInt(dataString); if ( max < Integer.parseInt(dataString)) max = Integer.parseInt(dataString); option =JOptionPane.showConfirmDialog(null, "Continue?"); } JOptionPane.showMessageDialog(null, "Minimum: " + min + " Maximum: " + max); }
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My program never compiled. the code is for a dialog box that calculates the volume of a cylinder, and i know there are simpler codes to do it, but this is the format my teacher wants...Heres the code:
import javax.swing.*; public class classTwo { public static void main(String[] args) { String rad, hei, vol; Scanner joe = new Scanner(System.in); System.out.println ("Hi, please enter a radius."); double rad = joe.nextLine(); System.out.println ("Enter a height.");
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i need to develop a java program in which it will ask the user "Username" and "Password" and by which it will login to a wesite.
I have developed a GUI in which the username should be entered in the User "JTextfield" and Password in Password "JPasswordField". I need to make sure that password should not be displayed in the GUI. but I didnt find a way to parse the string (char) entered in the "JPasswordField" to the website.
It is always passing a 'null' character! I tried to search in internet and i found that it wont be able to pass the passwordfield characters but you will be able to check in the main function itself by comparing with another char array in the main program itself whether the password entered is correct or not.
Is there any alternate way for this?
Objective : Parse the password (which is not displayed in the GUI) to a website or some other function where it will use it
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I have a question but dont know how I could verify the criterias..
The password should be at least six characters long The password should contain at least one uppercase and at least one lowercase letter The password should have at least on digit
Write a class that verifies that a password meets the stated criteria. Demonstrate the class in a program that allows the user to enter a password and then displays a message indicating whether it is valid or not.
I have not created a class because I really have no clue what to write in this case. My main method is:
import java.util.Scanner; // Needed for the Scanner class public class Password { public static void main(String[] args) { // Create a Scanner object to read input. Scanner keyboard = new Scanner(System.in); String input;// To hold the input
