When you installed the latest BlueJ for windows, did you choose the bundled version that comes with JDK 8, or just the actual Blue J program itself? You do need Java Development Kit (JDK) at a minimum installed also to be able to use BlueJ. I could take a look to see if there is any code issues.Īre your environment variables set up in Windows 10 (i.e. For example if your program is named ScannerDemo.java then to run from command window type java ScannerDemo then press Enter keyĪre you getting any specific errors when you attempt to run your Scanner program?Ĭan you upload the program to the forum. Each release page will contain a list of addressed issues for 21H2, 21H1, 20H2, and 2004 versions.
BLUEJ WINDOWS 10 UPDATE
As a result, the release notes for Windows 10, versions 21H2, 21H1, 20H2, and 2004 will share an update history page. Or are you attempting to run your Scanner program from a command prompt window? If that is the case the simplest thing is to first change directory to the location of your compiled Scanner program, then when in this directory enter the command java name of scanner program without the extension. Windows 10, versions 21H2, 21H1, 20H2, and 2004 share a common core operating system and an identical set of system files. Once this is completed, a blue screen should pop up. You can do this by holding down the furthest most right 'Control' key then pressing the 'Scroll Lock' key twice.
Generally you can just click OK here to run, although this is subject to how you have coded your program. Close the Registry Editor and restart your computer in order for the changes to take effect. A method call box will pop up and by default has passed. bluej-bundled-311.msi: for Windows 2000, XP, Vista or newer (7.5 MB) bluej-311.msi: for MacOS X 10.7.3+ (142 MB includes JDK 7) BlueJ-311.zip: for MacOS X 10.7.2 or earlier (6.7 MB requires JDK 6) BlueJ-mac-legacy-311.zip: for Debian, Ubuntu and other Debian-based systems (6.3 MB) b: all other systems (executable jar file) 6.
Right-click that box and select void main(String arguments) to run. Assuming you have compiled your Scanner program successfully, you ought to see that program in BlueJ's main window displayed with a non-shaded box.
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