Can Somebody Tell Me The Main Differences Between Java And C++?This Is Also A Disscussion:Which Is Better???

Nothing,everything, both, and neither.

They're just different. Different features and different syntax but, with enough experience with either one you can accomplish pretty much the same tasks.

@Techy24 : You didn't search much, did you?
There is actually a whole Wikipedia article about this :
http://en.wikipedia.org/wiki/Comparison_of_Java_and_C%2B%2B