单项选择题

在类Tester中定义方法如下,
public double max(int x,int y){//省略}
则在该类中定义如下哪个方法头是对上述方法的重载(Overload)?()

A.public int max(int a,int b){}
B.public int max(double a,double b){}
C.public double max(int x,int y){}
D.private double max(int a,int b){}