已知如下类定义:
class Base { public Base (){ //... } public Base ( int m ){ //... } public void fun( int n ){ //... } } public class Child extends Base{ // member methods }如下哪句可以正确地加入子类中?
class Base { public Base (){ //... } public Base ( int m ){ //... } public void fun( int n ){ //... } } public class Child extends Base{ // member methods }如下哪句可以正确地加入子类中?
private void fun( int n ){ //...}
void fun ( int n ){ //... }
protected void fun ( int n ) { //... }
public void fun ( int n ) { //... }