An instance of the class ArrayBag has a fixed size, whereas an instance of ResizableArrayBag does...
An instance of the class ArrayBag has a fixed size, whereas an instance of ResizableArrayBag does not. Discuss and give at least two examples of situations where a bag would be appropriate if its size is: a. Fixed; b. Resizable.
Homework Answers
A) Fixed size: array.
Because arrays are fixed in size.
Once we create an array, there is no chance of increasing or decreasing size based on our requirement. Hence to use the arrays concept compulsory we should know the size in advance.
- Arrays can hold only homogeneous data.
- Arrays concept not built on some datastructure.i.e, there is no underlying datastructure for arrays.
B) Resizable : Any collection class.
We use collections concept here.
Because collections are growable in nature.
- Collections can hold homogenous as well as heterogenous data.
- Every collection class is implemented using a datstructure. Method support is there for any collection class
Some collection classes:
ArrayList,
LinkedList
Vector etc.,
Thanks...
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An instance of the class ArrayBag has a fixed size, whereas an
instance of ResizableArrayBag does...
/ Animal.hpp #ifndef ANIMAL_H_ #define ANIMAL_H_ #include <string> class Animal { public: Animal(); Animal(std::string, bool domestic=false,...
/ Animal.hpp
#ifndef ANIMAL_H_
#define ANIMAL_H_
#include <string>
class Animal
{
public:
Animal();
Animal(std::string, bool domestic=false, bool
predator=false);
std::string getName() const;
bool isDomestic() const;
bool isPredator() const;
void setName(std::string);
void setDomestic();
void setPredator();
protected: // protected so that derived class can directly
access them
std::string name_;
bool domestic_;
bool predator_;
};
#endif /* ANIMAL_H_ */
//end of Animal.h
//
/////////////////////////////////////////////////////////////////Animal.cpp
#include "Animal.h"
Animal::Animal(): name_(""),domestic_(false),
predator_(false){
}
Animal::Animal(std::string name, bool domestic, bool
predator):
name_(name),domestic_(domestic), predator_(predator)
{
}
std::string Animal::getName() const{
return...
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/ Animal.hpp
#ifndef ANIMAL_H_
#define ANIMAL_H_
#include <string>
class Animal
{
public:
Animal();
Animal(std::string, bool domestic=false, bool
predator=false);
std::string getName() const;
bool isDomestic() const;
bool isPredator() const;
void setName(std::string);
void setDomestic();
void setPredator();
protected: // protected so that derived class can directly
access them
std::string name_;
bool domestic_;
bool predator_;
};
#endif /* ANIMAL_H_ */
//end of Animal.h
//
/////////////////////////////////////////////////////////////////Animal.cpp
#include "Animal.h"
Animal::Animal(): name_(""),domestic_(false),
predator_(false){
}
Animal::Animal(std::string name, bool domestic, bool
predator):
name_(name),domestic_(domestic), predator_(predator)
{
}
std::string Animal::getName() const{
return...
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