32,204 Topics
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| | here is the code.... below is my problem............. /* <applet code="Assign2.class" width=350 height=350> </applet> */ import java.awt.event.*; import javax.swing.*; import java.awt.*; /* Class Name - Assign2 PRIVATE FEATURES private JButton buttons[] // array to store buttons private String labels[] // array to stoer the department name private JPanel thePanel; // … |
| | Hi there... I'm pretty new to java, just learning arrays now. I've written a program that deals a "poker hand" to 4 players, using methods, but the problem with that is sometimes the same card gets dealt more than once. I'm now trying to use a boolean array of size … |
| | help! I have made three UI forms to accept inputs from the user (it is about airline reservation for my academic project),I want to open these forms in succession following the inputs from the user so how do i manage to open up these forms...Help me  |
| | this is an example of the file: Caldwell E.,CSC,25,5,500.00,250.00,100.00,20.00,1000.00 there are 18 of these entries in the file consists of : last name and first initial,department,miles walked,number of pledges, and the pledge amounts. I have to : 1. display the file content 2.compute the total pledges obtained by each person … |
| | hi, When you are using the Jprogressbar the % completed is usually printed in the middle of the bar. Can you change it to be printed at the end of the completed % . is there a method for that??? can anyone help me with this please..............:(( |
| | how do i "hide sheet and hide window" like in spreadsheet.please help me in java swing code...a.s.a.p.thanx:pretty: |
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 | Hi guys.., I am working on RMI Application... server client communication, while running my application in DOS mode i am getting this error can any one help me out for this error? C:\javas>rmic serverimpl Exception in thread "main" java.lang.NoClassDefFoundError: sun/tools/java/Consta nts at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12 4) at … |
| | Hi all, I am using RandomAccessFile, to create a log file. The log file gets created fine, when I open it in UNIX (I mean the display layout). However, when I open the file in Windows, in notepad, then I see instead of '\n' a little square. So all the …  |
| | For those of you interested in having a messenger for your cell, I downloaded an application called MiM done in java with witch you can access your MSN and Yahoo! Messenger contacts. It seems that is in a promotional period and its download is completly free, without need of sending … |
| | Hi, When i press "end" button on keyboard, i want to see "pressed on end button" message on screen. How can i do this. I am new in Java. Thanks |
| | [B]hi all[/B] The Microsoft Jet database engine has an internal limit of 255 fields per query. but my Excel sheet containg more than this. and i have to fetch all the fields of the excel through JDBC. plz help me how can i fetch the data .. [B]thanx in advance … |
| | hey, I'm a beginner in Java programming. I'm trying to do the vending machine program. And I'm having difficulty doing the do while loop. The scenario is if the user entered invalid input 3 times, it will loop back to the first menu using do while loop and switch case. … |
| | Hi all, How do I create a bar graph in Java to hold a passed array of units and frequency? Thank youin advance for helping. |
| | I need help in figuring out how to make the code for sentences by determining that there is ., ?, ! in the sentence at the end. And the paragraph where you find each paragraph by the spaces between the lines. If you could just help me start, I'll finish … |
| | [COLOR=#fa6400]I really need help with this code...I have to display statistics from each and use Scanner and Tokenizer. For displaying each character I have to use Character.isLetter(). Please help me figure out how to display all of these things from a file. //TextFileStats.java //Print out Statistics using StringTokenizer. [/COLOR][COLOR=#941edf]import[/COLOR][COLOR=#000000] java.io.*; … |
| | I have a question I am writing this program for class where all of the output goes into one JOptionPane.showMessageDialog for instance I have the The sub total price displayes, the sales tax displayed, and the Grand total displayed in this I also want to display a message if the …  |
| | hey there, could someone please tell me how to align the cursor to go to the left when someone clicks inside the textfield |
| | I need help figuring out how to put the following logic into code: I have a text file that I am reading from, I have been able to code so that it reads four seperate columns; now I need to make one of the columns read (into an array) the … |
| | Hello, I have the following line that prints a year and the matching fruit consumption; however I have 35 elements in each array that this line is got from. I need help creating a loop that will parse rhe arrays and return the figure for each year. //Display for one … |
| | I would like to make so that when you have a int and prompting user to enter some number for calculations... if the number entered is larger than a 10digits, my program wouldn't just crash or if the user enters a string... I havn't be taught any error catching stuff … |
| | [COLOR=#000000]Build a hash table using chaining as the collision resoultion technique. Insertions into the hash table will correspond to declarations of variables and values in a program, searches will be requests for the value of a variable. Some variables will be local and have a narrow scope while some variables …  |
| | hi there, how can i display an error message in java and stop compile program at that point of the error? |
| | I only need help with 1 of the programs now. It says to list all the postive integers less than 400 that are divisible by 3 |
| | hi everyone, i am doing a project .............i have a problem 1.when i press F4 key i need to get a pop-up window and i need to search names in that poup window . For Example : All the client names start with A 2.when user types A & preees … |
| | i have a problem and i would like to knwo if some one can explain the directions in a simpler form because i have no idea what i am really supposed to do like how many classes i need if i need any and what should go in main. the … |
| | Hi all, I would like to know what is the difference between OutputStream and BufferedWriter objects? Can I use them interchangeabally? Reason is because I created a job that has to run every, lets say, 5 minutes. The problem is that when I run my java program manually from the … |
| | okay..could someone tell me how to check if someone put in a float value in a text field. and if not how can i generate a dialogue box with an error. This is how it looks [code]marks1 = Float.parseFloat(tf1.getText().trim());[/code] i stored the contents of the textfield into marks1. How can …  |
 | Dear god. this is driving me crazy. I'm working on an assignment involving inheritence, multiple classes, etc. I'm stuck at one stupid part. I have to write a toString method that formats the text. Is there a way to return a string with formatted text? I know about the printf … |
| | hi people...please help me with this..i writing a program with textfields that a user is supposed to put data in, how can i create an error message and/or a beep to pop up when the user has not entered a value in a textfield..  |
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