eate an interface relational interface relational { void greaterThan(); void lessThan(); void greaterThaneq(); void lessThaneq();
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Create an interface relational
interface relational
{
void greaterThan();
void lessThan();
void greaterThaneq();
void lessThaneq();
}
Step by step
Solved in 3 steps with 1 images
- Create an interface relational interface relational { void greaterThan(); void lessThan(); void greaterThaneq(); void lessThaneq(); } Write an implementing class implRel which implements realational class implRel implements relational { int a, b; implRel(int a,int b) { this.a=a; this.b=b; } - - - } Create a class relationdemo .In main create an object of implRel (implementing class) and invoked me6Describe the use of default methods in interfaces and their advantages.Define Response.Redirect method
- What keywords must define any values in the data field of an Interface?interface StudentsADT{void admissions();void discharge();void transfers(); }public class Course{String cname;int cno;int credits;public Course(){System.out.println("\nDEFAULT constructor called");}public Course(String c){System.out.println("\noverloaded constructor called");cname=c;}public Course(Course ch){System.out.println("\nCopy constructor called");cname=ch;}void setCourseName(String ch){cname=ch;System.out.println("\n"+cname);}void setSelectionNumber(int cno1){cno=cno1;System.out.println("\n"+cno);}void setNumberOfCredits(int cdit){credits=cdit;System.out.println("\n"+credits);}void setLink(){System.out.println("\nset link");}String getCourseName(){System.out.println("\n"+cname);}int getSelectionNumber(){System.out.println("\n"+cno);}int getNumberOfCredits(){System.out.println("\n"+credits); }void getLink(){System.out.println("\ninside get link");}} public class Students{String sname;int cno;int credits;int maxno;public Students(){System.out.println("\nDEFAULT constructor…Pick the incorrect statement: O A class can implement more than one interface O A class can extend more than one classes O An interface can extend more than one interfaces O An interface cannot extend a class
- Why must all of the interface's methods be implemented when an interface is implemented?TechPreferences Object: let user TechPreferences = { preferred Database: "MongoDB", backendFrameworks: ["Express.js", "Django"], frontend Frameworks: ["React", "Angular", "Vue.js"], mobileFrameworks: ["Flutter", "React Native"], preferredIDE: "VS Code", continuousIntegration: true, }; Write a JavaScript function to process the information in "userTechPreferences" and answer the following: Display the person's preferred database. Identify and display any backend frameworks used by the person. Output the frontend frameworks the person is familiar with. Create a list of mobile frameworks the person is interested in. Display the preferred Integrated Development Environment (IDE). Check if the person uses continuous integration and display the corresponding message.class IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */ ? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ? virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };