[PDF] Objects and Classes 04-Mar-2016 Start BlueJ

How do I open a non BlueJ package?

Summary: Non-BlueJ packages can be opened with the Project: Open Non BlueJ... command. BlueJ lets you open existing packages that were created outside of BlueJ. To do this, select Project – Open Non BlueJ... from the menu. Select the directory that contains the Java source files, then click the Open in BlueJ button.

Can BlueJ create executable JAR files?

BlueJ can create executable jar files. Executable jar files can be executed on some systems by double-clicking the file (for example on Windows and MacOS X), or by issuing the command java -jar .jar (Unix or DOS prompt). We will try this with the example project hello. Open it (it is in the examples directory).

How do I start BlueJ with a different Java version?

Execute vmselect to start BlueJ with a different Java version. The choice of JDK is stored for each BlueJ version. If you have different versions of BlueJ installed, you can use one version of BlueJ with JDK 1.4.2 and another BlueJ version with JDK 1.5.

What is the BlueJ programming environment?

This tutorial is an introduction to using the BlueJ programming environment. BlueJ is Java™ development environment specifically designed for teaching at an introductory level. It was designed and implemented by the BlueJ team at Deakin University, Melbourne, Australia, and the University of Kent at Canterbury, UK.