CPP // C++ program to demonstrate// protected access modifier#include<bits/stdc++.h>usingnamespacestd;// base classclassParent{// protected data membersprotected:intid_protected; };// sub class or derived class
classBase{... ... ... };classDerived:publicBase { ... ... ... }; Notice thekeywordpublicin the code classDerived:publicBase This means that we have created a derived class from the base class inpublic mode. Alternatively, we can also derive classes inprotectedorprivatemodes. These ...
class A {public int a = 1;private int b = 2;protected int c = 3;int d=4;public int dispA() { return a; } private int dispB() { return b; } protected int dispC() { return c; } int dispD() { return d; }}public class B extends A {public static void main (Strin...
In class B Test1 we can access the protected int, but we cannot access the private int. So the protected modifier gives us additional access in the derived class. So with the help of protected keyword, we can access the protected fields includes all the derived classes. A class can also ...
classA {public:intx;protected:inty;private:intz; };classB :publicA {//x is public//y is protected//z is not accessible from B};classC :protectedA {//x is protected//y is protected//z is not accessible from C};classD :privateA//'private' is default for classes{//x is private...
3. **-(Private)**:表示私有权限,仅限类内部访问。4. **Package**:通常用波浪符(~)或无符号表示,表示包内可见。题目中“#”对应Protected,因此正确选项为B。其他选项均不符号UML规范:- A错误,Public符号为“+”;- C错误,Private符号为“-”;- D错误,Package符号一般为“~”或默认不标记。
Foxcroft, L.C., Witt, A. & Lotter, W.D., 2013b, `Icons in peril: Invasive alien plants in African protected areas', in L.C. Foxcroft, P. Pyšek, D.M. Richardson & P. Genovesi (eds.), Plant invasions in protected areas: Patterns, problems and challenges, pp. 117-143, ...
C In China, the Asian elephant is a first-class protected wild animal. The animal mainly lives in Yunnan. Thanks to China's hard work, the number of elephants in Chin a rose to about 300 by the end of 2021.Elephant observers(观 )Elephant observers follow elephants in cars and tell peop...
若子类 S 与基类 C 不在同一包中,那么在子类 S 中,只能访问 S 的实例及 S 的子类实例从基类 C 继承而来的 protected 成员。 以访问方法为例说明第二点: // 示例一 packagep1; publicclassFatherInP1{ protectedvoidprotectedMethod(){}// 父类 FatherInP1 中的 protected 方法 ...
In the above example,Variable val is private and accessing within the public member function init_val() and print_val() Member functions init_val() and print_val() are the public and they accessing within the main function (outside of the class definition) with the help of class’s ...