续：Java程序员认证模拟题及详细分析（1）26. Give following class: class AClass{ private long val; public AClass(long 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; } } Which expression result is true? A. a==b; B. a==x;