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Java (not to be confused with JavaScript) is a class-based, object-oriented, strongly typed, reflective language and runtime environment (JRE). Java programs are compiled to bytecode and run in a virtual machine (JVM) enabling a "write once, run anywhere" (WORA) methodology.

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how to launch jython with java class with arguments

I couldn't think off a better title to describe this, but here is the situation: I have a java software, named hipe, in which a jython console is provided. Now, I want to import modules of hipe from ...
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I need to create layout according to this picture

I need to create layout according to this picture. I tried everything , linearlayout one inside other, relative layout etc. Every time something is wrong, sometimes layout overlaps each other ...
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Why does this boolean expression not work flipped?

This is what I wrote for a coding bat project thing. For some reason it says that this way it doesn't work but if I flip it, it works. Why is that? When it inputs something with less than 3 chars it ...
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Java Socket… how it works?

I have a question on Java sockets. I'm trying to build a basic server-client connection in java using the net package classes. so to start with, I'm used the Socket class and created a socket ...
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3answers
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OOP Design Quesiton with a Card Game

I am becoming a bit more confident with my programming skills, so I've decided to restart a card game I'd previously began. The point of this program is now that I have a decent grasp of program flow, ...
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2answers
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How to get the name of a property as string?

I have a class Car that has a property trunk. How can I retrieve the name (not the value) of that property as String and refactorable. Something working like this fiction would be great: ...
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Unit testing CDI with CDI-Unit Jglue

we want to use Jglue framework for unit testing our CDI application. We use gradle for building. We have prepared something like this: 1) Class to test: @Default public class ...
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1answer
20 views

cast priorityQueue to my customized interface

public class testCast { public interface dataQueue extends Queue<Object>{}; public static void main (String test[]){ dataQueue queue = (dataQueue) new ...
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4answers
21 views

Java Strings empty string handling

I have a Java code that should print nothing if no-element string is passed.Currently,my method is passing all tests but the one with no-element string.It gives me error.Code is below.Any suggestions ...
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3answers
38 views

Sorting an arraylist

I am looking to sort my array by the name of a company, printing only the companies that are open before a specific time...... before printing public void printCompanies(int time) { Iterator ...
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19 views

Java Variable Class Passing from JFrame

I am very new to Java and have been learning as I go since this is how my job requires it. I am building a GUI to have the user imput infomration into on JFrame then I need to save what they entered ...
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1answer
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How to delete a drawn string in JFrame

So basically I want to have a number system on a JFrame panel. The number is displayed on the frame using this method. public static void text(int x, int y, String text) { if (instance == null) ...
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(Java Eclipse) Rental System

I'm new here and this is going to be my first question. I am currently studying my degree for IT and need a little help on Writing code for Java. Basically, i need code that will save Text on Text ...
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Checking for spaces before/after a link element in XML using java parser

I'm parsing an xml document in which there may be some lines that look like this: <para>This is a sentence. Here is my<link>link</link>.</para> I want to be able to check ...
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3answers
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Keep calculation going while loop freezes program and put a pause inbetween calculations

Hello i have this code where you click on several cubes to set them to dead or alive and according to a set of rules java will calculate which cells will be alive/dead after the next step. import ...

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