How To Create API In Java

Aug 9, 2014

i need to develop a API in java. that API will be communicate with the some site. Need to import and export the contacts into that site databases.

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Create A Countdown In Java

Feb 24, 2014

I'm making a small play in java in which you have a limited time to make as many moves as possible (with the aim of achieving a maximum score), like this: URL...

In the game panel I see the map on which you will perform the moves and a score indicator constantly updated. I have to add the indicator that shows me the passage of time (first 3 minutes), in digital format mm: ss. I thought I will be a useful thread called Countdown because I have to stop this counter if the user presses the pause button in the game. Then wanting to continue the game shall resume the countdown.

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How To Create PDF File While Working In Java

Feb 22, 2013

how to create pdf file while working in java.

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How To Create A Sort Of Executable For Java App

Dec 25, 2014

when I am programming let say in VB using Visual Studio, finally I build .exe file that can be run on all Windows by double click.For Java I am using Eclipse and to run those apps I am using run from Eclipse.How I can create a sort of "executable" for my Java app that I would be able to run it by file click on Windows or Linux?

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Could Not Create The Java Virtual Machine

Dec 11, 2014

I keep getting this error:-
/opt/solr# java -v
Unrecognized option: -v
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

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How Many Ways To Create Object In Java

Mar 21, 2014

How many ways to create an object in java ?

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Servlets :: Create Corresponding Java Object?

Sep 18, 2014

I get an json from http request. I want to create a corresponding Java object.

is there any automated mapping? Something called pojo or something else?

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How To Create Event Scheduler In Java

Dec 17, 2014

How would you begin a program that schedules events? I've found codes that are similar like Calendars, but I need something that will still import the real day, month, year. But I want to have columns that show Room numbers, and rows that shows time slots. How to get started such as which GUI components to use, what packages to import, etc.?

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How To Create Excel File In Java

Mar 30, 2014

Attached Images

File Type : 10.jpg (21.9 KB)

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How To Create Invoice Templates In Java

Mar 28, 2014

I am working on a project for a store. I need to accept the purchased items from the user and an automatic cash memo would be generated. Now I have an experience with building desktop applications before and have managed to build up the UI. Presently I am stuck in creating a template for the invoice/memo (whatever you may call it). I have the following requirements:

1) How do I create a good template for invoice/memo with the company logo ??? Do I have to rely on any third party software? Any detailed tutorial would be useful.

2) How do I convert that invoice/memo to a pdf file???

3) How can I export some data to excel???

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Create A Java Application In NetBeans

Mar 9, 2015

Create a Java Application in NetBeans with the following two classes.

1. A Java class College
o Use the following data fields:
College Name
College City
Number of Tracks
Number of Students
Number of Faculty
Number of Staff
o Implement an empty constructor
o Implement a full constructor
o Implement Setters and Getters (Mutators and Accessors)
o Implement SetAll() method with all data members as parameters

2. Another Java class called CollegeDemo with the main() method:
o In the main():
o Read the values of the fields of 3 colleges from a text file and for
each create a College object.
Filename: colleges.txt
IT Dubai 7 200 50 20
ENG Abudhabi 4 400 60 20
SCIENCE Sharjah 3 300 40 20
 First with empty constructor then uses setters.
 Second with full constructor (no need to use setters).
 Last one with empty constructor and SetAll() setter.
o Display the average number of students for all the 3 colleges.
o Change the value of ‘Number of Students’ in the SCIENCE College to
500, and display the average number of students again.

here my code :

public class Demo {
private String name ;
private String city;
private String cname ;
 
[code]....

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Could Not Create Java Virtual Machine

Jan 19, 2012

Since a few weeks i receive windows reports with the text: "Could not create the Java virtual machine". That were not disturbing, but now i would like to play a game that based on Java, but every time I would start it, the message come and the game do not start. The game called "Edna and Harvey: The Breakout" (German: Edna bricht aus) and is developed by a german game studio called "Daedalic entertainment".

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How To Create And Write Files With Java

Jun 19, 2014

How come that nobody has a normal name? ... like:

E40S,
EcAABtdtcC,
eveascavsa7242,
GrGGDahkcA,
HaHKNhibzB,
HbJFZqxsgR,

or almost nobody.

Second question, this is the exercise I have to make:

write a program that reads a sentence and write it on a file separating each word on a diffrent line of the file

Java Code:

package vacanze_estive_8;

import java.io.File;
import java.io.EOFException;
import java.io.PrintWriter;
import javax.swing.JOptionPane;

[Code] ....

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How To Create Java Messagebox On Form

Feb 7, 2014

How do I create a Java messagebox an on form messagebox? Stuck

I know how to create a regular popup messagebox as below:

JOptionPane.showMessageDialog(this, "Couldn't log in");

But I don't know how to create one as below, I'm stuck on how we create this sort of messagebox..

NJPoR.jpg

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Create A Balloon Object In Java

Sep 19, 2014

Programming Assignment #2

(Using an Existing Class: Creating Objects and Calling Accessor and Mutator Methods)

I. The Assignment

This assignment is to write a "test" class (aka: a "driver" class or "client code") that uses the class Balloon.java, available on the class web page.

To use the Balloon class, download it and store it in the src folder of your NetBeans project. Make sure you save it as Balloon.java.

The best way to learn how to use the Balloon class or any other Java class, for that matter - is to consult the documentation, Balloon.html (online). You can also read the javadoc comments that appear just above the class declaration and above each method declaration, which explain what each method does, what the method's parameters are, and what value if any - is returned by the method. The html support pages are generated from these comments.

-Review declaring variables, creating objects, calling methods that return a value vs. void methods, and accessor and mutator methods before beginning. To receive credit for this assignment, you must not modify the Balloon class in any way!

II. Your BalloonTester Class

Your BalloonTester class will have only a single method "main" and will perform each of the following operations, in the exact order listed below. Each operation may be done in one or two statements. Make sure you follow directions faithfully, and note that once you have done step 3, you can copy and paste it to do steps 6, 9, and 12.

1.Create a Balloon object with a name of your own choosing and an altitude of 100 meters.

2.Create a second Balloon object with a name of your own choosing, and specify an initial altitude of -100 meters.

3.Call the accessor methods of the Balloon class to get the name and altitude of each Balloon object. Print the data, one object per line.

4.Make the object you created in step 1 ascend to an altitude of 250 meters.

5.Call the adjustAltitude method to increase the altitude of the object you created in step 2 by 150 meters.

6.Call the accessor methods of the Balloon class to get the name and altitude of each object. Print the data, one object per line.

7.Call the adjustAltitude method to decrease the altitude of the object you created in step 1 by 150 meters.

8.Make the object you created in step 2 descend to the same altitude as the other object. You may assume that the other object is at a lower altitude.

To get credit for step 8., the statement(s) you write must always work, regardless of the actual altitude of the second object. It cannot depend on you knowing the altitude of the second object, but must utilize the fact that the object knows its own altitude. In other words, if you use a literal in any way to set the altitude, it is not correct.

9.Call the accessor methods to get the name and altitude of each object. Print the data, one object per line.

10.Move the object you created in step 1 to an altitude that is four times its current altitude. As in step 8, the statement(s) you write must work for any altitude and may not depend on you figuring out the new altitude beforehand.

11.Attempt to move the object you created in step 2 to an altitude that is 150 meters below its current altitude.

12.Call the accessor methods to get the name and altitude of each object. Print the data, one object per line.

and this is the Balloon.java given:

// File: Balloon2.java
 // Modified Balloon class has overloaded constructors
 
/**
* A class to represent a hot-air balloon. Balloon objects have a name and an altitude.
*/
public class Balloon2
{
// instance variables
private String name ; // name of the balloon
private int altitude; // altitude (height) of balloon in meters
 
[Code] ....

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Create Java Application That Contains Array

Dec 15, 2014

Create a java application that contains an array of 10 multiple-choice questions related to you favorite hobby. each question contains three answer choices. also create a parallel array that holds the correct answer to each question - A,B, or C. display each question and verify that the users enters only A,B, or C as the answere - if not, keep prompting the user until a valid response in entered. If the user responds to a question correctly, display "Correct!"; otherwise, display the correct answer is and the letter to the correct answer. After the user answer all the question, display the number of correct and incorrect answers.

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How To Create A Java Executable Binary

Oct 25, 2013

I am wondering if there is an easy way to create a java exe(cutable) binary, by packing the JRE and ship it like a compiled C++ bin file? I know JAR is good but, I still prefer to create a standalone install - free exe, no matter if the user has or has not Java installed on her PC.

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Create XML Based On XSD Template In Java?

Apr 17, 2015

I need to generate XML file based on XSD template in Java, I can parse the XSD file, but don’t know after parsing, how to generate XML file.

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Create A Dictionary In Java Using Search Trees

Jul 28, 2014

I have to create a dictionary in java using search trees. I have problems with the methods put() and remove(). Working properly, ie correctly adds a new element and eliminates correctly. But I should improve a few things.

As you can see from the interface, both methods must return an element of type V, that is:

- case put(): returns the previous value associated with key (or null if the key was not associated with any value)
- case remove(): returns the value associated with the key (or null if the key was not present in the dictionary)

I do not understand how come my put method always returns null even though in reality I make him return node.getElement().

Instead, the remove() method does not know how to modify it to make sure it returns the value associated with the key. If I change the helper method return value in V (instead of Node<K, V>) method does not work anymore...

How can I then edit these two methods?

Class SearchTree:
public class SearchTree<K extends Comparable, V> implements Dictionary<K, V> {
public int size;
public Node<K, V> root;
public SearchTree() {
root = null;
size = 0;

[Code] ....

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Create A Java Irc Client Which Responds To Commands

Apr 9, 2015

For a shool assignment i have to create a java irc client. which responds to commands. the !SENDMSG command has two parameters !SENDMSG <username> <the message>.

i can get the username and the message seperated, but i would like to create a check in case someone gives a bad command like: !SENDMSG" " <-- note te extra spaces, or if someone gives only 1 parameter.

else if (line.contains("!SENDMSG")) {
String str = line.split("!SENDMSG")[1]; //gives: <username> <the message>

String[] parts = line.split("s+");

if (parts.length >= 2) {
String user = parts[4]; //gives the <username>

[code]....

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How To Create Pascal Triangle Code In Java

Oct 18, 2014

How to create pascal triangle codes?

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How To Create Unmodifiable / Read Only List In Java

Jun 26, 2014

How to create a unmodifiable/read-only list in Java?

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How To Create Unmodifiable / Read-only List In Java

Jun 26, 2014

I am a java fresher, How to create a unmodifiable/read-only list in Java?

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Create A Static Array Of Objects In Java?

Jan 2, 2014

Im looking for a means to store groups of static data..

so I understand these simple string arrays...

Java Code:

private static String[] names = new String[] {
"aidanmack",
"johnsmith"
}
private static String[] ages = new String[] {
"30",
"30"
} mh_sh_highlight_all('java');

But can I not combine that into an array of objects? something along the lines of what you would do with json? like...

Java Code:

private static array[] multi = new array(){
{"name":"AIDANMACK","age":"30"},
{"name":"johnsmith","age":"31"}
} mh_sh_highlight_all('java');

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How To Create Sports Tables Java Applet

Jun 1, 2014

I've been using a Java applet for sports tables.It has been very useful for me. However, the recent developments from the people at Oracle have made this program impossible to use. The point is that I need this program and I need it fast.I've been in touch with the person who once created this applet and he has no intentions at all to upgrade it or do anything to make it function. How to make the program works with their new updates.

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How To Create A New Java Class For Database Connection

Jan 15, 2015

I have a shop and I use visual studio.net to create an Inventory application to manage my shop. So I am familiar with vb.net codes.

Now, I'm trying to built another Inventory application for my shop using java, 'coz now I'm using Linux Ubuntu for my OS desktop and there's no visual studio.net in linux.

So in vb.net, there's a module that I use for database connection that I can call from any form that I needed.

I searched google for the equivalent module for java and there is none. But, there's an example that use a new java class.

Here's the code in MySQLConnect.java :

Java Code:

public class MySQLConnect {
static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
static final String DB_URL = "jdbc:mysql://localhost/dbInventory";
static final String USER = "root";
static final String PASS = "root";
public static Connection ConnectDb() {

[Code] ....

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