![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
下面定义的类 A 中, ( ) 是构造方法的重载。 class A{ int a,b,c; public A(int x,int y,int z){ a=x;b=;c=z; } } A. public A() { a=0;b=0;c=0;} B. public A(int x,int y,byte z) {a=x;b=y;c=z;} C. public A(int x,int y,float z) {a=x;b=y;c=(int)z;} D. publicvoid A() { a=0;b=0;c=0;}