类testl定义如下: 1. public class test1 { 2. public float amethod(float a,float b){ } 3. 4.}
A．public foat amethod(float a,float b,foat { }
B．public float amethod(float c,float { }
C．public int amethod(int a,int { }
D．private float amethod(int a,int b,int { }