minecraft wont load

[DemDemHotFire36]

i cannot get java somehow, and i need help because my minecraft wont launch:

Error: Could not find or load main class net.minecraft.client.main.Main
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

 

[basroil]

You should uninstall all versions of java from your system then download the newest version of Java 8 from oracle website.