[ubuntu] java isn't working on internet

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http://ubuntuforums.org – hey everyone i've installed java using this guide. i've followed the guide just as it is and when i try the commands java -version and javac -version i get this: Code: java version "1.7.0_07" Java(TM) SE Runtime Environment (build 1.7.0_07-b10) Java HotSpot(TM) Server VM (build 23.3-b01, mixed mode) and this : Code: javac 1.7.0_07 , but when i go to the java site it says that i don't have java installed, my java desktop appllications are working just fine and i can also develop java applications but websites that are using java aren't working for me, can anyone hel (Hardware)