A,B,C,D 中哪些是 setvar的重载?
public class methodover { public void setVar(int a, int b, float c) {} }
public class methodover { public void setVar(int a, int b, float c) {} }
private void setVar(int a, float c, int b){}
protected void setVar(int a, int b, float c){}
public int setVar(int a, float c, int b){return a;}
public int setVar(int a, float c){return a;}