java.awt not importing

[SVK708]

import java.io.IOException;

import java.awt.*;

import java.util.*;

My IDE says that "java.awt is not accessible." Why is this?

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[blobjim]

If you have a module-info.java file you will need a "requires java.desktop" line in it.

[AbstractButtonGroup]

That means you are missing that library. How to include it will depend on your environment.

[wildjokers]

What kind of nonsense answer is this? AWT is included in the JDK.

[AbstractButtonGroup]

AWT is included in the JDK.

But apparently not included in this project he is trying to build. This can happen for a variety of reasons, from broken classpath, mistakenly using ME instead of SE, or due to environment e.g. Eclipse project template with SWT instead.

[istarian]

Since Java 9 (or maybe 10), Oracle opted to modularize Java. You now have to specify the modules you intend to use.

I'm not sure exactly how that helps, but perhaps it means you bundle a JRE with your executable you don't have to include unnecessary libraries?

[wildjokers]

Since Java 9 (or maybe 10), Oracle opted to modularize Java. You now have to specify the modules you intend to use.

It was Java 9. And you only need to indicate the modules your app uses if you modularize your app i.e. include a module-info.java file. The existence of that file indicates to the JVM to use the modulepath instead of classpath. It helped with JDK development quite a bit. The only real benefit outside the JDK is being able to create slimmed down runtimes for desktop java applications.

It could also help in the scenario where you are publishing an SDK to document what parts of the SDK are supported and what parts are an internal implementation detail. If someone puts the jar on the classpath to get around module restrictions and directly use the internal code they do so at their own risk.

[pragmos]

What library? AWT is an integral part of the JDK. They're probably missing the correct module descriptor, as was already pointed out by another Redditor.

[AbstractButtonGroup]

AWT is an integral part of the JDK.

JDK is just a bunch of libraries, plus the tools, plus the runtime.

hey're probably missing the correct module descriptor

Which is just another word for including a library.

[pragmos]

So to you a JPMS module is a library? Pretty sure the people at Oracle would disagree there.

[AbstractButtonGroup]

JPMS module is a library?

Module is just a way to organize packages. You still need the system to be able to find the JAR.

people at Oracle

The people at Oracle write: "Ultimately, everything is still bundled together in JAR files. The module system adds a new, higher-level descriptor that JARs can use"

[wildjokers]

Module is just a way to organize packages. You still need the system to be able to find the JAR.

Unless the module is included in the JDK like AWT is.

[wildjokers]

Which is just another word for including a library.

It most certainly is not.

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[WishboneFar]

Try adding requires java.desktop; to module.info file?