How To Return A String From Project Into Android Project
Jun 26, 2014
I tried many times to return a string from java project to an android project But it keeps sending incorrect values as in 2 as it should be 1 here is an example.
Java Project:
boolean somethingboolean = false;
if(something.equals("1")){
somethingboolean = true;
}
public static String getString(){
if(somethingboolean == true){
[Code]...
Android project:
System.out.println(JavaProject.getString())
and in the android project it prints "FALSE"
So what should i do?
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Jun 26, 2014
I tried many times to return a string from java project to an android project But it keeps sending incorrect values as in as it should be 1 here is an example.
Java Project:
boolean somethingboolean = false;
if(something == "1"){
somethingboolean = true;
}
public static String getString(){
if(somethingboolean == true){
return "TRUE";
}else{
return "FALSE";
}
}
Android project:
System.out.println(JavaProject.getString())
And in the android project it prints "FALSE"
So what should i do?
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Nov 19, 2014
I have a gameengine stil partially in the works for pc made in java, I am attempting a port over to java but certain classes and other fuctions are not available for android that there is in java. this means that my render engine, gameengine and a couple of other clases therefore don't work.
My question is, is there anyway of using the gameengine classes that work into the project so that all i have to do is declare within the engine what i want to export for wheather this is android or java. or importing packages from the game engine project and directly linking with the ability of re-writing the odd few classes that do not work.
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Apr 12, 2014
i downloaded a sample database code of an online payroll system. How can i assemble it to know how it works.
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May 6, 2014
I'm doing a project and my code won't compile.
import javax.swing.*;
import java.awt.event.*;
public class BookStore extends JFrame{
private JPanel panel;
private JLabel question; //This will be where the question is.
private JTextField NumofBooks; //this is where the user will enter the number of books
private JButton OKButton,ClearButton,ExitButton; //Will give the user the points, cancel the points, and exit
private final int WINDOW_WIDTH = 310; //Need to make it visible
private final int WINDOW_HEIGHT = 100;
[code]....
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Nov 24, 2014
I am deploy my project in a machine and access it through VPN. In one page i am sending parameters array through hidden input field. When i access it in process page through request.getParameterValues it return null values, you can see it in attachment.This page work fine without VPN.
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Feb 10, 2015
i have programmed a game using JPanel and JFrame. My App is of this type (if this is relevant to the problem):
public class Main extends JPanel {
private JFrame frame;
public static void main(String[] args) {
new Main();
} public Main() {
frame.setSize(WIDTH, HEIGHT);
[Code] ....
The problem is, When i export the file in eclipse as Runnable jar file,and run the exported file, it gives me a blank screen (white default) and nothing is running. Whereas, normal debugging of the game is working quite well.
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Apr 2, 2015
So I am working on a PostFix calculator that is used in command line for a class project, and I am having a little trouble on developing a memory for it. I have been told to create a hashMap and I have researched it and understand the basics of it. I have the calculating method working, but what I am having trouble trying to implement a way for the user to declare variables. For example this what the user should be able to do:
> a = 3 5 + 1 -
7
> bee = a 3 *
21
> a bee +
28
[code]....
I just need to be able to save the answers as a variable the User names, such as the example and let the user be able to use the variables later.
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Mar 5, 2015
So, I've been working on a school project for a couple days, and I have my code written out but I can't fix the compile-time errors. The prompt for it is here:
Write two programs: one using the String class and one using the StringBuffer class. Your programs should store a set of Strings in an ArrayList and print those Strings in the order by which they are added. The output of your programs should create a complete sentence.
I am stuck on the first program.Here's my code for the first program:
Java Code:
import java.util.ArrayList;
public class SentenceNormal {
public static void main(String args[]) {
String n1 = "My ";
String n2 = "favorite ";
String n3 = "football ";
String n4 = "team ";
String n5 = "is ";
String n6 = "the ";
String n7 = "Seahawks";
[code]....
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May 27, 2014
As a brand new with Java I've created a small "Hello world" program using eclipse.
I would like to create an exe file from this application. Therefore, I need the jar file.
I can't find such a file with that extension in the folder where I saved the java project.
How can I manage this file?
I know it is a very basic issue, but as I mentioned it is the first "Hello world" test...
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Sep 23, 2014
Hello World program. We had to build it. Write a basic Java program that will implement one class to store a state of a project. The class should have one property to store a textual name of the state. When a object of this class is created the initial state should be "Open".
1) Class should have one method next() which will move the project to the next step in the sequence: Open - In progress - Closed.If next method is called for a project in the Closed state it should do nothing.
2) Class should have a method close() which will move the project into the Closed state.
3) Class should have a method print() that will output a current state of the project.
Submit a java code file as your assignment. Do not hesitate to contact me if you have any troubles with the assignment.
I have been working on this thing for almost a week, and really don't have a clue on what to do. I know I have to use a string = open, and I know I have to create an object. I don't have a clue on how to do this. I have read the chapter so many times, I almost memorized it, but what he wants is nothing like our demo in the book. the Book used set and get, and utility scanner, but he doesn't want any of that. Just a basic code that will move from Open --- in progress --- closed.
The best I can tell what he wants is when I set the object to open it will display " project is open", then when I set it to " in progress" it will read project is "in progress". I don't have a clue what close is suppose to do, or the print method.
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Dec 7, 2014
I have make a simple grade average project and can't figure out how to ask the user if they want to enter more grades to average and run the app again.Here's what I have so far.
import java.util.Scanner;
public class Average {
private static Scanner kb;
public static void main(String[] args) {
kb = new Scanner(System.in);
[code]...
How many grades do you wish to average?
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May 12, 2014
I'm done with my project and I'm not trying to make it into a jar with JGrasp... I start by making a project then I click the option to make my project into a jar... Everything works but when I try to run it it says that the main class cannot be found... How can I fix this?
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Jul 8, 2014
i don't know how create that project ,
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Apr 20, 2014
I inherited a web application and am trying to build it. I recently installed JasperSoft Studio 5.5.0 final on my developer machine. I also have Eclipse Juno on my developer machine. I was advised by the previous developer to put some of his Jasper .jar files into my web app's lib folder. I did do this and now the localhost will not run, it is generating this error:
org.apache.jasper.JasperException: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:502)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:430)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
I went out to the lib folder and saw these files:
jasperreports-5.1.2
jasperreports-applet-5.1.2
jasperreports-expressions-1.0.0
jasperreports-exprfunction-1.0.0
jasperreports-fonts-5.1.2
jasperreports-javaflow-5.1.2
The version on them would appear incorrect given my version of 5.5. I am new to Jasper Reports. I suppose I could google on the .jar files and get the ones that belong to the 5.5.0 final and put them into the directory to see if Apache Tomcat 6.0.39 likes that better. And then start the server. If it doesn't like them, I guess I could remove them and continue, but I would prefer to have the Jasper Reports up and running.
My second question about the Jasper Reports is how do you tell the IDE where the Reports are located?
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May 26, 2014
I bought a certificate to sign my jars, if a deploy my applet in a html file with out framework, just html and js, the works great, I can call from javascript all public methods from the applet. The real problem is when I try to deploy the same signed jar on a adf project in Jdeveloper. Does not work at all and java execute some warnings and later applet is block, the message say something like "exist some jars signed and not signed" But I am sure that all jars are signed...
I got this:
applet console:
image
All jars are signed, dependencies too.
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Nov 20, 2014
I use a program called eclipse. I want to know how to build a house with the program. We use a pen in java. It is a drawing tool. I dont know how to do it.
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Feb 21, 2014
So I have 3 classes in this project, and When it compiles, I get a null pointer.
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;
public class Project2 {
[Code] .....
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Mar 4, 2015
I should do, for my academic project, draw from a java project some information, for example, the class name and the relative method, and for each class even the package name where the class is. The information found must be saved an XML files...
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Jul 24, 2014
I want to read about a 100 files. There are 4 Categories of the files. I also want to create a Database of these files. The 4 Categories are my Columns. My question is how to it. I know what i want to do but not how to write in code.
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Dec 14, 2014
How can we create deployment descriptor for the java projects.
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Mar 6, 2015
I want to develop a website using jsp and servlets.but i have a few questions:
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2: After writing the code how do i transfer the code to the client
3: How to deploy the website on internet
I am doing for first time
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Jul 23, 2014
I have an EJB project which is deployed in Webaphere 7 and i do not have source code for that project.I know the EJB session bean class name, can i generate the client for this class/project to invoke the session bean?
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Mar 6, 2014
Ok Im trying to create a code right now that will take a table of rectangular coordinates and convert them to Polar coordinates in the constructor. I will eventually calculate the total distance between all points in the calculateDistancePolar method but for now I am using it to test.
It doesnt like line 29 and 31 of the class Polar and I cannot figure out why.
public class Test {
public static void main(String[] args) {
double[][] coords = {{86.92, 2.47},{70.93, 27.81},{97.74, 34.36},{30.90, 35.14},{51.66, 31.70},{0.830, 21.77},{55.91, 66.62},{32.92, 75.23},{65.26, 72.53},{83.90, 4.710}};
System.out.println("X,Y Coordinates are:");
outputArray(coords);
Polar myTest = new Polar(coords);
[Code] .....
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Sep 12, 2014
I have created a standalone project and included its jar file in lib folder as follows :
Sample->lib>jar files
sample->src->source files
After constructing my Sample application jar file as sample.jar and trying to include it in my another web project as follows:
WebSample->WebContent->WEB-INF->lib->sample.jar
and constructed war files as WebSample.war
After deploying it is not able to access jar files of sample application and throwing NoClassDefFoundError. Where as if I am running it as standalone project it is working. What is best solution to resolve this issue.
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Mar 7, 2014
I have been working on a Project Euler problem which is to find the 10001st prime number. I made the project in java and it gave me the correct answer (104743) . I notice that it had taken 17 seconds to find the answer. how to improve the efficiency of my Java program - at the moment it is bruteforce.
static boolean isPrime;
static int primeCount;
static int forI = 1;
static int latestPrime;
public static void main(String[] args){
long startTime = System.currentTimeMillis();
[code]....
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