35,618 Topics
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| | I am writing a toString method for my Nursery class but am having trouble getting everything working properly. I have to go through the ArrayList and call the toString method for each individual tree and then the sum for all of the trees prices. Here is what I got so … |
| | Hey Guys I don't get what I need to add Im fairly new in Java. this is my code but it gives me these below the line errors below [code]import javax.swing.*; public class Movies { private String name; private double price; private int year; public Movies { name=""; price=0.0; year=0; … |
| | Hi guys, I'm kind of stuck on a problem I was assigned. Pretty much we're trying to reverse words in a sentence. As in, input = Hi I am new to Java to: Java to new am I Hi I've tried this [CODE]String[]Tyler = new String[Sentence.length()]; Tyler[0] = Sentence; for(int …  |
| | In my Project SchoolManagementSystem there i've tuition fee record in database. So what i'm trying to do is increase the student due balance automatically after 1 month time. How can i do this? Eg: For now the due balance is 1000 and the monthly cost is 800 so after 1 … |
| | I have two constructors that are pretty much exactly the same except that one also takes in a boolean value. I want the constructor with four parameters to the call the other one in order to get the the first three. Here is what I have so far. [CODE] public …  |
| | I figure my formulas are wrong and need tweaking. Can someone help[CODE]package mortgage_calculator; /* Write the program in Java (without a graphical user interface) using a loan amount of $200,000 with an interest rate of 5.75% and a 30 year term. Display the mortgage payment amount and then list the …  |
| | I have a java app that used to use a property and I am not sure with the changes I've made to the class path how to find the driver. I thought I was using the exact same installation but I can't find the driver. Can someone please tell my … |
| | [CODE]import java.io.*; public class EnumEx3 { /** * @param args */ public static void main(String[] args) { Fishs fishs=Fishs.AMNON; System.out.println(fishs.getX()); } } enum Fishs { BURI(20), AMNON(50); private int x; private Fishs(int x) { this.x=x; } public int getX() { return x; } } [/CODE] i have that code and … |
| | how do i use the same frame object for multiple classes...without overwriting the data..like..i am using a frame and i am using the same object on which i can draw a cirle..and then when i call another class to draw a rectangle..both circle and rectangle r being drawn...this is becuz … |
| | I need to create a Car class that has the following fields: brand, model, and speed. Each of the fields should have accessor and a mutator methods. In addition the class should have methods that allows the user of the Car class to accelerate and to brake. Accelerating or braking … |
| | For my final year project, I plan to write a cloud server using Python. The client will be written by the other team member in Java. The first and foremost problem I have is make the necessary communication between the server and clients. For server to client talk, I thought … |
| | please guide me to connect java project to sql.Code snippets are welcome.  |
| | Why am i getting this error? Can someone help me? You can compile it. I'll post all the necessary codes. Because i dont have enough time. Please this is really urgent. *argg my head hurts*** I put in an archive. [CODE]http://h1.ripway.com/Caterwauler/findTheCheese.rar[/CODE]  |
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| | We are writing a program in JAVA that thru a series of questions helps the user build a computer. This is being done with Radio buttons. We are wanting to know if it is possible to store the selections as objects in the database. So that is the user wants … |
| | Good morning all. I'm having some difficulty in reading from a sequential file. I think I have my code set up properly, but when ran, it throws an exception which show me the error statement I specified. When I ran a debug, it does seem to be pulling the information … |
| | I have written this program but for some reason it isn't appending to the file? import java.io.*; public class numbers { public static void main(String[] args) throws IOException { FileWriter grades = new FileWriter(new File("grades.txt")); String temp = ""; for (int i=0; i<=100; i+=2) { temp = String.valueOf(i); grades.write(temp); grades.write(","); … |
| | Hi, my front end is jsp and my backend is mysql iam design online cinema ticket reservation . It contains no of seats. if i choose 3 or 4 seats in checkbox,it stored in my database. After i refreshing the page that checkbox seats should be bolocked.. im saving film … |
| | hi, im doing it in jsp and my backend is my sql ... im inserting the checkbox values and some details in table but for checkbox values i have given the executequery statement(where we write query) as integer so all other string details are not inserted in table it show … |
 | Hi: I just wanted to see the capabilities of java. Can you please post your favorite project (that you've made). If you want, please also post the source code. Thanx, C++ |
| | Below is my LinkedList class and also a private Node class inside it, I also write a unit test method to test if every method in LinkedList work, but the hasNext() and Next() ultimately failed. Please let me know what is wrong with the next() and hasNext() method. Here is … |
| | How to implement following C++ program into Java using the file system.. Please help me. please send the java code on <EMAIL SNUPPED> thanking you. [CODE] /*Header Files*/ #include <stdio.h> #include <conio.h> #include "bcio2.h" #include <math.h> #include <stdlib.h> #include <string.h> #include <time.h> /*Function Prototype*/ void sleep(void); void sleep( int nbr_seconds …  |
| | [CODE]/** * @(#)aboutUs.java * * * @author * @version 1.00 2010/10/7 */ import javax.swing.*; import java.awt.*; public class aboutUs extends JFrame{ private desPanel des=new desPanel(); public static void main(String args[]){ aboutUs frame=new aboutUs(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } public aboutUs() { desPanel.setTitle("About us"); String desc="This Choose Your Flavor is a shop that … |
| | hi, I have three jsp files. main.jsp grizzly-link-application.jsp grizzly-link-menu.jsp In the mail.jsp I am including the other two. [CODE]<%@ include file="/WEB-INF/jsp/grizzly-link-application.jsp" %> <%@ include file="/WEB-INF/jsp/grizzly-link-menu.jsp" %>[/CODE] my grizzly-link-application.jsp and grizzly-link-menu.jsp files are actually pointing to the different css files. Content of grizzly-link-application.jsp is: [CODE]<link id="grizzlystyleid" title="grizzlystyletitle" href="style/application/grizzlystyle.css" rel="stylesheet" type="text/css"/>[/CODE] Content … |
| | Hi all, Can any one say how to execute the below programs .I need some packages to run the programs .Kindly specify the packages and their links. URL: [url]http://code.google.com/appengine/docs/java/xmpp/overview.html#Sending_Instant_Messages[/url] Thank you, With Regards, Premnath.M |
| | Hello Members, I have a JFrame, which creates a JDialog upon clicking. In the JDialog, I have a JCombobox. When I choose one of the options in the JCombobox, I should be able to change the background color of the JFrame randomly in an open ended loop. When I then … |
| | Hello Members, Is it possible to write a Client/Server program between two PCs in a LAN? If yes, besides the IP address of the two PCs, what other information would I need? Thank you!! |
| | I'm trying to do a q & a program which will read a question, 4 choices. Then read the answer and compare it to the correct answer. Then increments the player score, My problem is, I always get null when I run the program. Could you please help me determine … |
| | i have a problem i.e i want to add new line after the second text field; let say i have made one text field and for the second text field i want that it will come in the next row, now how i displayed it in the second row?? thnx |
| | Hi guys! I have a JTable updated from MySQL. I can successfully insert a row in JTable using SQL statement "insert into...". However, when I execute a delete statement, then JTable is not updated. Please, help me to find an error. [CODE] public void actionPerformed(java.awt.event.ActionEvent evt) { SystClasses.FilterClass.tableModel.initDB("85.254.219.164", "employee_record", "liana", … |
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