Language - Java Windows Javac: Difference between revisions

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{{Language_-_Java_Intro|Windows|javac}}
{{Language_-_Java_Intro|Windows|javac}}


==Use Our Examples==
{{Finding Code Samples|Java}}
One of the best ways to start programming with Phidgets is to use our example code as a guide. Before we get started, make sure you have [[#Install Phidget Drivers for Windows | installed the Phidget drivers]].


==Using the Code Samples==
To use the code sample from the [{{server}}/?view=code_samples&lang=Java Code Samples] page, you can click the '''Download Example''' button to download a Java file with the sample code.


Next, select an example that will work with your Phidget:
[[Image:Java_Sample_Code_Download.png|link=|center|border|800px]]
*{{SampleCode|Java|Java Examples}}
 
 
Copy phidget22.jar from the following location:
*C:\Program Files\Phidgets\Phidget22\phidget22.jar
 
 
Place the example files and the phidget22.jar file in the same location. Your folder should now look something like this:
[[Image:Java_javac_folder.png|link= | center]]
 
 
Open the command prompt at the folder location. Next, enter the following command in the command prompt:
<syntaxhighlight lang="java">
javac -classpath .;phidget22.jar example.java
</syntaxhighlight>
 
 
Finally, enter the following command to run the program:
<syntaxhighlight lang="java">
java -classpath .;phidget22.jar example
</syntaxhighlight>
 
 
[[Image:Java_javac.PNG|link= | center | 850px]]
 
 
{{Edit_the_Examples}}
 
==Editing the Examples==
{{Language_-_Java_Editing_the_Examples}}


==Setting up a New Project==
==Setting up a New Project==
When you are building a project from scratch, or adding Phidget functionality to an existing project, you'll need to configure your development environment to properly link the Phidget Java library.
Whether you are running our examples or adding Phidget functionality to an existing project, you'll need to configure your development environment to properly link the Phidget Java library.


First, copy phidget22.jar from the following location:
The easiest way to allow Java to access the Phidgets Java library is to place a copy of ''phidget22.jar'' in the same folder as your program. We recommend you copy ''phidget22.jar'' from the following location:
*C:\Program Files\Phidgets\Phidget22\phidget22.jar
*'''C:\Program Files\Phidgets\Phidget22\phidget22.jar'''


Create your new project folder and java file, and place phidget22.jar in the same folder as your new project file. Your folder should look somehting like this:
Your folder should look something like this:
[[Image:Java_javac_folder_new_project.png|link= | center]]
[[Image:Java_javac_folder_new_project.png|link= | center]]


To use the Phidget Java library, add the following import to your code:
==Compile and Run==
<syntaxhighlight lang="java">
import com.phidget22.*;
</syntaxhighlight>
 
Once you are ready to run your program, open the command prompt at the folder location. Next, enter the following command in the command prompt:
Once you are ready to run your program, open the command prompt at the folder location. Next, enter the following command in the command prompt:
<syntaxhighlight lang="java">
<syntaxhighlight lang="java">
Line 76: Line 43:
[[Image:Java_javac_new_project.PNG|link= | center]]
[[Image:Java_javac_new_project.PNG|link= | center]]


The project now has access to Phidgets.
The project is now using Phidgets!


{{Language Page What's Next}}
{{Language Page What's Next}}

Revision as of 21:59, 16 October 2019

Language - Java

Windows with javac

Welcome to using Phidgets with Java! By using Java, you will have access to the complete Phidget22 API, including events.

Javac is a command line-based compiler for java programs that compiles java code into bytecode class files.

Install Phidget Drivers for Windows

Before getting started with the guides below, ensure you have the following components installed on your machine:

  1. You will need the Phidgets Windows Drivers
  2. You will need the Java Development Kit from Oracle

Finding Code Samples

To find the code sample to use for your Phidget, navigate to the Code Samples page and select your device from the drop-down menu.

Java sample code.jpg


Once you select your device, the code sample generator will give you a working code sample, and a selection of options to customize it to your needs.

Using the Code Samples

To use the code sample from the Code Samples page, you can click the Download Example button to download a Java file with the sample code.

Java Sample Code Download.png

Setting up a New Project

Whether you are running our examples or adding Phidget functionality to an existing project, you'll need to configure your development environment to properly link the Phidget Java library.

The easiest way to allow Java to access the Phidgets Java library is to place a copy of phidget22.jar in the same folder as your program. We recommend you copy phidget22.jar from the following location:

  • C:\Program Files\Phidgets\Phidget22\phidget22.jar

Your folder should look something like this:

Java javac folder new project.png

Compile and Run

Once you are ready to run your program, open the command prompt at the folder location. Next, enter the following command in the command prompt: 

javac -classpath .;phidget22.jar example.java

Finally, enter the following command to run the program: 

java -classpath .;phidget22.jar example
Java javac new project.PNG

The project is now using Phidgets!

What's Next?

Now that you have set up Phidgets to work with your programming environment, we recommend you read our guide on Phidget Programming Basics to learn the fundamentals of programming with Phidgets.Next Arrow.png


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