32,204 Topics
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| | i am trying to load images for an applet using imageicon but i found out that it doesnt work so i was wondering if there is other way to load em. by the way i am trying to load them in another class that is not the main one. this … |
| | Hi, I have a school assignment where I need to check if one string is a substring in another string. However, we are not allowed to do any string-based comparison, we are only allowed to compare the ASCII values. So the way I do it now is to call the …  |
| | I have a problem to Modify the Coin class to have it implement the Comparable interface. The following code is not working correctly and I don't know why. [code] public class Coin implements Comparable<Object> { private double value; private String name; public Coin(double aValue, String aName) { value = aValue; … |
| | I want to make a class that takes a String and checks if that String is found in a .txt File. If it is found, I want to store the words following that String in a String array. Here is what I have until now: [CODE]import java.io.File; import java.util.Scanner; public … |
| | [B]how to pass parameter from .java class to query written in .jrxml file[/B] pls help me!  |
| | I have created a .NET windows based application in c#. Find the attached screenshot of my application. Java web service is already created and maintained. Now I want to send the values from windows application grid view to java web service. Is this possible? If so how? Am newbie to …  |
| | When I run my program following is my program: public class JasperReportsDemoApp { String reportSource = "c://report1.jrxml"; String reportDest = "c://HelloReportWorld.html"; public JasperReportsDemoApp() { Map<String, Object> params = new HashMap<String, Object>(); params.put("reportTitle", "Hello Report World"); // params.put("author", "Craig Conover"); // params.put("startDate", (new java.util.Date()).toString()); // params.put("reportTitle", "Hello Report World"); // params.put("author", … |
| | Hi ,all Can anyone tell me how to use jasper report with ireport tool for desktop applications I want to print the report for that i installed plugin in netbeans 7 after that i dont know how to use report help me pls... |
| | hello all how to create JTextArea with border look like standard jTextField 's border ? thankyou denny |
| | I dont know nothing about Java. Which is the best tutorial site to learn java and how it is easily learn. |
 | Hi all, I know " String ".trim is used to remove the blank spaces but when i use the following string compare its shows some strange result [CODE]if(" String ".trim() == "String") System.out.println("Equal"); else System.out.println("Not Equal"); [/CODE] It produces the result of not equal. How it produces the result like … |
| | Hey guys, I'm trying to program which finds the closest value stored in a sorted array using binary search. In other words, it should read the middle array and then move to the middle of the half where this value should be (unless the closest value is in the middle … |
| | What my problem is I don't know how do I set it up so that when the entire word has been guessed I can stop the game and tell the user they won or lost. I tried adding in another if statement after maxTries--; where it says if (maxTries == … |
| | Hi guys, I'm new to Java and was wondering if you could help with one little problem with my code. [CODE]System.out.print("Enter title: "); String title = keyboard.next(); if (title.equals("Mrs") || title.equals("Miss") || title.equals("Mr") || title.equals("Ms")) { title = title; } else { System.out.println("Enter a valid title"); }[/CODE] If the title … |
| | hello all I just learned about addActionListener there are many example about TextField.addActionListener for one TextField only ,but if there are more than one TextField,and all of them have been given Action Listener ,how to differentciate ,from which TextField the Event is come from ? Where can I find example … |
| | So I have to implement a checkout line using a priority queue. I'm really stuck. I have 3 classes, a Register class, Store class, and customer class. Each customer has a service time which is the time it takes to check out. There are ten registers. Reach register has a … |
| | Hi I am trying to make a program that prints a snooker board on the screen. I am trying to print the different parts on top of each other. So far all I am able to do is print the background. when i try to print the cloth on top …  |
| | Hi Folks! I got to game (know as concentration or memory)code for my assignment. I have found many similar tasks, but mine is a bit different. Our teacher asked us to implement comboBox that we could switch between images and text version. So far I have made image one, and … |
| | Looking for Java help! I am working on the payroll program below and would like some help please. When I run the prograom, I am using jGrasp, the program runs with no errors identified in the code but I get the following window that pops up...."No main methods, applets, or … |
| | how to get only the file name from the given path............ [B]example1:[/B] String str1="C:\New Folder\My Data\kk.png" From the above how can we get only the file [B]kk.png[/B] [B]example2: [/B] String str1="C:\New Folder\My Data\Java\Project\yy.bmp" From the above how can we get only the file [B]yy.bmp[/B] |
| | i am using an array of JButtons b[23].... my objective is that when i click a button it has to change its background color to black but it is giving a nullpointer exception.... if(ae.getActionCommand().equals("0")) { System.out.println("button b[o] is pressed"); b[0].setBackground(Color.black); } } can anyone help me with this please........ |
| | Write the definition of a class student. Student object should represent student in a school. it should contain the following information: id,name,age,address. Can someone tellme the definition using this example?? am still a newbie in java. |
| | Hello again everyone, on my recent thread about my rock, paper, scissors program, I had trouble running it from Applet to JApplet and that problem was solved. So far, I've added many functions for the program such as menus, checking your score, resetting the score, and setting the number of … |
| | [CODE]//Program to find the sum of the main and right diagonals of a 2D array import java.io.*; public class Diagonals { public static void main(String[]args)throws IOException { int arr[][]={{1,2,3,4},{1,2,3,4},{1,2,3,4},{1,2,3,4}}; int maindiag=0;int rightdiag=0; for(int i=0;i<4;i++) { for(int j=0;j<4;j++) { if(i==j) { maindiag=maindiag+arr[i][j]; } } } System.out.println("The sum of the main diagonal … |
| | Hello I need to figure this out, I tried if ((Fire = 0) || (Water = 0) || (Air = 0) || (Earth = 0)) { System.out.println("Hello"); } But the compiler says I cant use && for ints, I need to get a value for each variable and have certain … |
| | Hi, Below line of code in my program is priting Date & Time in the format [B]11/3/11 4:33:13 PM IST[/B] , how can i print only the lines which are between spcific dates by using the above printed date format in JAVA. System.out.println("Date & time: " + akarray.getModifiedTime()); |
| | Hello! I have size about 200*250 icon for my simple application. I need to put it inside on frame as (about) 40*40 size. But when i try everything (image icon, icon for JLabel...) but i could not re-size it inside on JFreme. I f i set the size as 40*40, … |
| | I cant figure out how to fix the "public class Triangle implements Measurable" i dont know what i am doing wrong to get this error.. i am not fluent in java but i never had this error before. i tried changing the name but in the process i get more … |
 | Okay, so I did this not too long ago but I forgot the exact the procedure. Now, I think I was doing it all right after I set it up for Web Start, but when I went to Clean and Build to generate the files needed for online, I got … |
| | hey i am currently working with java to do assignment. i dont know how to call form from menubar to open new form,,, so anyone can help...... |
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