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Editorial Team
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Asked: 2026-06-04T04:22:47+00:00

I managed to download files for a java game called Robobmbo. But I have

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I managed to download files for a java game called “Robobmbo”. But I have run into some problems. Most of the classes have imported other classes like java.net.URLConnection. But I have no idea where to find these files. Can anyone tell me where I can download: java.net.*, java.io.*, etcetera. ?

The example below is from the MusicPlayer.class. Its supposed to play a module music track in the game. I am having a hard time finding this module. I believe the link to the module is in URLConnection or URL. How do I open the URLConnection class file?

package game;

import java.io.BufferedInputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Hashtable;
import java.util.zip.ZipInputStream;
import litecom.Trace;
import litecom.modplayer.Mod;
import litecom.modplayer.ModPlayer;

I downloaded Eclipse, opened it, then tried opening the class file but it failed. I searched the internet and found that you should go to preference > general editor and Class File Editor as the default. But there is no class editor in the list :(. What do I do?

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1 Answer

  1. Editorial Team

    The io,util etc packages are part of the core Java API and should be with your JRE.

    Please can you paste in the error you are getting.

    — Since your update —

    The URL class is part of the Java API – i.e. when you install Java you will see it.

    Try installing Java + Eclipse, then open this file in Eclipse, right click on the classes that you can’t find and then select “Definition” and it will show you where they come from.

    However – being kind – this is a terrible question, you have downloaded Java code and don’t understand the very basics of how to compile or edit it.

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