Unknown GUI toolkit

[Trishankgoswami]

Hi

there an error i am facing while opening the Design page i have tried my best to resolve it by doing google & you tube. if some one t help me to resolve it.
as i am trying to make a application

for windows.

[ptziegler]

Can you post the source code of Skkip.java? As the error message says, WindowBuilder doesn't understand the way the JFrame instance is created in this class.

[Trishankgoswami]

ok please see.

[ptziegler]

Thanks!
Then let's start with the obvious: With so many compilation errors, there is no way this could every be read by the WindowBuilder editor.

I see the module-info.java in the second tab, so I assume you're using modules. If you don't want to use it or are unsure how exactly they work, I would suggest to simply delete this file. Alternatively, you need to require at least java.desktop.

There are also other imports missing, such as java.lang.Runnable. Those need to be resolved as well, before the class can compile.

In the initial screenshot, I also see error markers in the Java project. That looks a lot like something is broken in the Java project itself.

Can you also post the errors that are shown in the Problems view?

[Trishankgoswami]

ok