32,199 Topics
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| | 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..  |
 | [CODE]/** * Finds the angles of A, B, and C when given the sides. * Caleb Hess * 4/27/07 */ public class Triangle { /** *@param a the length of a for the triangle *@param b the length of b for the triangle *@param c the length of c for … |
| | In my program I get input from the user (type of topping for a pizza) then if there aren't enough left I have to let them change or cancel that topping. I do this with a for loop, my question is: how do I make it so it breaks out …  |
| | i need java JRE to runa program but i cant seem to get it installed. i always get this weird error. any help? thanks |
| | An island has two kinds of inhabitants: [I]Knights[/I]: Always tell the truth [I]Knaves[/I]: Always Lie You encounter two people A and B. You ask the user to enter what A and B say. Your program should output the conclusions (if possible) about the identities of A and B. For example … |
| | hello friends, i want to learn java can anyone provide any link to a tutorial or anything else. thank you |
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