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You will again be presented with a dialog box; this time choose stopJuggling. Now if you click on the stopJuggling button, the Juggler bean stops juggling. To start it up again, just click on the startJuggling button. What you have just witnessed is the beauty of bean development. You can connect events in one bean to events in another. By linking beans in this manner, you can create basic applications quickly and easily, without writing any code. This rather simple example illustrates several points about bean development, the first being that once a bean is created, it can be utilized with little or no actual programming.

Using the BDK In order to work with JavaBeans, you will need the JavaBean Development Kit, or BDK. html. For this kit to work you will also need the Java Development Kit, or JDK. html. Note: If your JavaBean Development Kit does not work properly, it is most likely that you have more than one version of the JDK on your machine and there is some conflict. This sometimes happens with users of IBM’s Visual Age or Borland’s JBuilder, since those products also install a version of the JDK. This is due to the fact that the JavaBean Development Kit may not be able to determine which of the Java Virtual Machines (JVMs) on your machine to use.

You should now have the requisite knowledge to move to the next step. Now it’s time to actually write a bean. The following example will create a simple JavaBean. Follow the steps exactly, and you will create your first JavaBean! This bean does not do much, but it is a good first example of creating one. Step 1: Create a folder or directory on your machine that has the same name you will give the source file (in this case “myBean”). Canvas component. MyBean also implements the interface; therefore, it can save its current state.

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An introduction to categories in computing by Jay C.B.

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