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July 15, 2021 06:16
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the compare between prototype and object oriented programming language
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| #include <iostream> | |
| #include <cstdlib> | |
| #include <string> | |
| #include <vector> | |
| class Employee { | |
| protected: | |
| std::string name = ""; | |
| std::string dept = ""; | |
| public: | |
| Employee() { | |
| name = ""; | |
| dept = "general"; | |
| } | |
| void setName(std::string getName) { | |
| name = getName; | |
| } | |
| void setDept(std::string getDept) { | |
| dept = getDept; | |
| } | |
| std::string getName() { | |
| return name; | |
| } | |
| std::string getDept() { | |
| return dept; | |
| } | |
| ~Employee() { | |
| std::cout << "Deleted the instance." << std::endl; | |
| } | |
| }; | |
| class Manager : public Employee { | |
| protected: | |
| std::vector<std::string> reports; | |
| public: | |
| Manager() {} | |
| void addReport(std::string getReport) { | |
| reports.push_back(getReport); | |
| } | |
| void showReports() { | |
| for(int i = 0 ; i < reports.size(); i++) { | |
| printf("%d: %s\n", i, reports[i].c_str()); | |
| } | |
| } | |
| ~Manager() { | |
| reports.clear(); | |
| printf("Clear the reports.\n"); | |
| } | |
| }; | |
| class WorkerBee : public Employee { | |
| protected: | |
| std::vector<std::string> projects; | |
| public: | |
| WorkerBee() {} | |
| ~WorkerBee() { | |
| projects.clear(); | |
| printf("Clear the project.\n"); | |
| } | |
| void addProject(std::string getProject) { | |
| projects.push_back(getProject); | |
| } | |
| void showProject() { | |
| for(int i = 0 ; i < projects.size(); i++) { | |
| printf("%d: %s\n", i, projects[i].c_str()); | |
| } | |
| } | |
| }; | |
| class Engineer : public WorkerBee { | |
| protected: | |
| std::string machine = ""; | |
| public: | |
| Engineer() { | |
| machine = ""; | |
| dept = "engineering"; | |
| } | |
| void setMachine(std::string getMachine) { | |
| machine = getMachine; | |
| } | |
| std::string getMachine() { | |
| return machine; | |
| } | |
| }; | |
| int main(int argv, char* args[]) { | |
| Engineer eg = Engineer(); | |
| printf("Dept name: %s\n", eg.getDept().c_str()); | |
| return 0; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head></head> | |
| <body> | |
| <script type="text/javascript"> | |
| function Employee(name, dept) { | |
| this.name = name || ""; | |
| this.dept = dept || "general"; | |
| this.format = function(getName) { | |
| this.name = getName; | |
| }; | |
| } | |
| function Manager() { | |
| this.reports = []; | |
| } | |
| Manager.prototype = new Employee; | |
| function WorkerBee(name, dept, projects) { | |
| this.base = Employee; | |
| this.base(name, dept); | |
| this.projects = projects || []; | |
| } | |
| WorkerBee.prototype = new Employee; | |
| function SalesPerson() { | |
| this.dept = "sales"; | |
| this.quota = 100; | |
| } | |
| SalesPerson.prototype = new WorkerBee; | |
| function Hobby(name) { | |
| this.hobby = name || "HB"; | |
| } | |
| function Engineer(name, projects, machine, hobby) { | |
| WorkerBee.call(this, name, "engineering", projects); | |
| Hobby.call(this, hobby); | |
| this.machine = machine || "MOBILE"; | |
| } | |
| Engineer.prototype = new WorkerBee; | |
| </script> | |
| </body> | |
| </html> |
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