![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
下列: class AClass{ private long val; public AClass(long v){val=v;} public Static void main(String args[]){ AClass x=new AClass(10L); AClass y=new AClass(10L); AClass z=y; long a=10L; int b=10; } } 表达式正确的是______。 A.a==b; B.a==x; C.y==z; D.X==y; E.a==10.0;