Build A GUI That Will Initially Display A Window With X Number Of Buttons
Apr 30, 2014
I've chosen to build a GUI that will initially display a window with 'x' number of buttons for different subject areas of physics (kinematics, waves, sound, circuits...etc). I would like to use an Actionlistener for each button so that when its pressed, the JFrame will extend a sidepanel or expand the JFrame with a new JPanel that contains variable Jtextfields so the user can enter data to calculate.
I'd like to know if its possible to do this with the JFrame or should I just open a new window altogether? I have some other features I plan to add to the program, but this is where I am right now.
how difficult is it to add a banner image and imageIcon? By banner image I mean create a Jpanel that will contain a header for the window and will have some cool physics jpg image.
I'm using a BorderLayout, with 26 buttons to make up the alphabet from a keyboard. All the spacing looks great, but when you drag the screen out, everything gets jumbled. I would prefer to have everything stretch out, and keep the same positioning, or everything move towards the center still keeping the keyboard style positioning of the buttons but increasing the size of the window. Will a BorderLayout work for what I want, or should I try something else?
Currently to keep the buttons spaced apart I am keeping there preferred size to 25, and using horizontal and vertical struts to get the buttons positioned like I want.
This is how it is if I keep it the width and height 400, 400.
ex1.jpg
This is what happens when its stretched or shrunk.
ex2.jpg
This is an example of one of the ways I would prefer it
I am writing a program that will have a GUI window and displays an image when clicked on the image changes and clicked on again the image changes once more. Here is what i have.
I am trying to upload the text file in specific location in my disk but when I open selection window it displays all type of files while it should display the files only having .txt extensions
I am writing the code below,
<%@page import="org.apache.commons.fileupload.*,java.util.*,java.io.*"%> <!DOCTYPE HTML> <html> <head> </head> <body> <% // JSP to handle uploading // Create a new file upload handler
I am having the hardest time trying to figure out how to display an array in a 1-window GUI.
I can display 1 book separately, by basically ignoring the array and creating a new object for each book, but I need all 5 books to display in one window, and that's where I'm lost. I'd really like to use the arrayI built to generate the books in the GUI. The information of each book appearing horizontally, and the different books appearing vertically.
// Bookstore.java // This program displays information on multiple books
I am learning how to program in JAVA servlet+MySQL. Decided to make a simple program where it shows who is celebrating birthday today by retrieving data from database. At the moment I managed to get it working by loading a form.html and pressing the button in it which gets to the result.jsp and shows results there.
My plan was to get a list of people who are celebrating there birthdays initially when the website is loaded/being loaded, I mean when you enter URL into your web browser and you get it instantly in browser. Is there a way to do it the way I want (JAVA+servlet+MySQL) instead of pressing a button/link?
I am new to javafx I start using it instead of swing i used the scene builder for my forms the problem i faced i don't know how to have main screen with menu bar at top and depending the select from the menu it will open other windows and those window must be inside my window just like for example netbeans.
I don't need to open new window in separate i need all windows inside my main window and controlling over them minimize maximize perhaps.
Write a program that will display all the odd number between 1 and 15. here is the code that i use :
Scanner scan = new Scanner (System.in); int i, num=0, count_odd = 0; for(i=1; i<=15; i++) { System.out.println("please enter number "); num = scan.nextInt();
The code below is just the GUI for a slot machine. Currently when play is clicked it displays the random number, I'm trying to make it so each random number displays an image in the GUI instead. For example if the random numbers were 2,2,3 it would display Cherry, Cherry, Bells. I started changing field1 to the image but realised I was on the wrong track as it would just display the same image not one allocated to a number. I've left in what I started doing.
how to do it?
import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SlotMachineGUI { JPanel mainPanel; SlotMachine slotEngine;
tfrreee i want to display given series in ascending order in java prog here is an error : E:Javajdkin>java ascend 505671Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 7 at ascend.main(ascend.java:9)
Java Code:
class ascend { public static void main (String args[]) { int s[]={ 50,71,81,21,7}; int i; for(i=0;i<=s.length;i++)
I'm trying to output a ten digit phone number as a string on one file, and write another program to write it as a long because I don't know what value I need to use in order to get the code to run properly on either one.
I am working with a program I wrote for class. I got it to compile and do what I want, But I was wondering how I can format my methods to to display a decimal with 1-2 decimal places. Would I create a method in my NumberAnalysis class to do it for me? Or would I declare an instance of the DecimalFormat class in my main method?
import java.util.Scanner; //Needed for Scanner Class import java.io.*; //Need for File and IOException import java.text.DecimalFormat; public class Ex8_11 { public static void main(String[] args) throws IOException{ { DecimalFormat decformatter = new DecimalFormat("#0.00");
[Code] .....
This is my output:
Lowest Number: 1.09 Highest Number: 82.76 Total Number: 367.89000000000004 Total Average Number: 30.657500000000002
Think I just solved the answer to my own question, I did it by declaring double variables in my main method and called the methods and instantiated the variables into the methods... Is there a better way to do this?
package lesson4.skowronek; import java.util.Scanner; //Needed for Scanner Class import java.io.*; //Need for File and IOException import java.text.DecimalFormat; public class Ex8_11 { public static void main(String[] args) throws IOException{
I have returned with yet another problem but I think this one might be a bit easier to fix.
So the whole MO of this program is to take user input, and display the sum of the digits of the number they entered. I am supposed to do this by utilizing methods. So far this is what I have and when I compile it tells me that it "cannot find symbol", which I don't understand as I define what "m" is in the for loop. The other error is that it says:
"Exercise6_2.java:22: error: incompatible types: possible lossy conversion from long to int return result; ^
I don't understand why it's giving me this error nor do I understand why result seems to inherently be an int. (Also the public static int sumDigits(long n) method was given to me by the book so that is what I am supposed to use).
import java.util.Scanner; public class Exercise6_2 { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Enter a integer"); long n = input.nextLong();
I am new to java programming and using bluej for programming and i have tried this question what i have have given in title ... how to find out the errors in the following program:-
class Primedig { public void getinput(int n) { int ctr=0; while(n!=0) { int r=n%10; for(int i=1;i<=r;i++)
[code] .....
output:-
For example input is 243 the output comes only 3 not 2& 3 both.
I have been working on this for hours and cannot get it to work properly. The program is to count the number of characters contained in both strings and display the results. It is also to display the final statement, but only once. This version has a complete statement for each matching character.
import java.util.Scanner; public class CountMatches { public static void main(String[] args) { String firstStr = (""); String s1 = firstStr;
I am trying to write a program that asks the user to enter a number from 1 through 10 and then the program will display the roman numeral for that number.
I am also adding a error message in which i haven't yet because im still trying to figure out how to the program will do the roman numeral.'
I have used the if and else if. but when i input a number it just repeats the number back to me.
The program cimpiles but it doesn't do what i want. here is what i have so far. how can i get the program to display the roman numeral after the number is entered.
import javax.swing.JOptionPane; public class Romannumeral { public static void main(String[] args) { double number;
Write a program using a while-loop (and a for-loop) that asks the user to enter a string, and then asks the user to enter a character. The program should count and display the number of times that the specified character appears in the string. (So, you will have two separate program codes, one using a while-loop and the other one using a for-loop.)
Example: Enter a string: "Hello, JAVA is my favorite programming language." Enter a character: e The number of times the specified character appears in the string: 3
I don't even know where to begin I've only got this
import java.util.Scanner; public class letterCounter { public static void main(String [] args) { Scanner sc = new Scanner(System.in); System.out.println("Enter a string"); String myString = sc.nextLine(); System.out.println("Enter a letter"); String letter = sc.nextLine(); } }
I have to store the name SD array and display the room and floor no. whose name is entered but i am having a problem with the logic part. The answer is coming to be wrong
import java .io.*; class hotel { public static void main()throws IOException { InputStreamReader read = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(read); String ar[][] = new String[5][10];
So I'm trying to make an applet that displays images of cards. The applet has a deck of 52 playing card images. It should shuffle the deck with a random number generator and display the first 10 cards of the shuffled deck.
With this code I have about 100 errors and I'm not sure what I'm doing wrong: I know I have to use arrays in order to ultimately display the images, but do I have to create Image objects for the Image [] cards array? I am getting many "class, interface, enum expected" errors as well as others.
import java.util.Random; import java.awt.Image; import java.applet.Applet; import java.awt.Graphics; public class unit12 extends Applet {
how to build a GUI. I typed (not copy and paste) this code line by line to understand and get a meaning to each command. I ran into some errors while compiling and decided I would try to fix it. I ran into a problem there.....
He said that if you need something that Swing can't provide, like a bar graph, you build it. Now, being used to just writing a method that will open up a JFrame, how you would actually build graphics on your own. How in the world would that work? How would one write their own methods to make a window or to build a graph?
how to build GUI's with JFrame and I was firstly very confused as to when and what is always needed for any GUI in Java. How do I know everything I need for a GUI? Are there certain things every GUI will need by default?
Additionally below I have a code snippet of when this person used the "this" as an argument to a JButton and Im just really confused for when I can use it and when I can't.
public UIStuff(){ super("Multiple Button Events"); init(); } // end multi-button
