It's easy, having more core java functions such as Encapsulation, Polymorphism, Inheritance Review collected by and hosted on G2.com.
Not having IEEE7 standards, sometimes slow Review collected by and hosted on G2.com.
Multiplatform support as it works on both Linux and windows as well Review collected by and hosted on G2.com.
Field of use restrictions imposed by Oracle in some cases Review collected by and hosted on G2.com.