larsgerrits

Read the EAQ and follow the instructions.

logs/fml-client-latest.log in your profile folder.

Which means it's called on the client-side. On the client-side, you can use the Minecraft class which contains a lot of information about the game, including the player and the world he's in.

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Architects, Builders and Designers Mod (abad) Caused by: java.lang.NullPointerException at com.scorpiocruz.abad.init.ModItems.registerRender(ModItems.java:46) The error is caused by the Architects, Builders and Designers mod. Report it to the author.

After a bit of Googling, I think it means "always run without a prompt asking you if it's safe to run a JAR file", rather than "this program is running 24/7". Assuming you downloaded Forge from the official file server, it should be safe.

logs/fml-client-latest.log

You're using 1.7.10. 1.7.10 is no longer supported on this forum. Update if you want support.

You'll have to wait until the site's back up.

If you're just reading books and not writing any code, you're not learning. You are remembering. Have you written anything in Java besides Minecraft? You really should.

If you look at the class, you can see all the methods you can call on it, including ways to get an instance of ServerData (ServerList#getServerData(index)).

Don't post in threads that have been inactive for a long time (like October 2015....). Make your own topic.

ServerData contains the name, IP and other information about a server.

Please don't post in topics that are a year old. Make your own.

Yes, the constructor of ServerList takes an instance of the Minecraft class, which you can get using Minecraft.getMinecraft().

new ServerList?