CppPractice/oopCaseStudy2(4).cpp at main · ruchalende/CppPractice · GitHub

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#include<iostream>
#include<string.h>
#include<stdlib.h>

using namespace std;
int d;
class bag{
	float weight;
	char color[10];
	static int total_obj;
	static float total_wt;
	public:
	void getdata(float, char[]);
	void getdata();
	void getdata(char[]);
	void getdata(float);
	void totalobj_afterdelete(int, bag);
	void display(int);
	static void output();
};

int bag::total_obj;
float bag::total_wt;

void bag::getdata(float wt, char col[]){
	weight=wt;
	strcpy(color, col);
	total_obj=total_obj+1;
	total_wt=total_wt+weight;
}

void bag::getdata(){
	weight=20;
	strcpy(color,"green");
	total_obj=total_obj+1;
	total_wt=total_wt+weight;
}

void bag::getdata(char col[]){
	weight=30;
	strcpy(color,col);
	total_obj=total_obj+1;
	total_wt=total_wt+weight;
}

void bag::getdata(float wt){
	weight=wt;
	strcpy(color,"white");
	total_obj=total_obj+1;
	total_wt=total_wt+weight;
}

void bag::totalobj_afterdelete(int d, bag){
//    bag b[d-1];
//	float wt=weight;
//	cout<<weight;
	total_obj=total_obj-1;
	total_wt=total_wt-weight;
}

void bag::display(int n){
	n=n+1;
	cout<<n<<"\t"<<color<<"\t"<<weight<<endl;
}

void bag::output(){
	cout<<"\nthe total number of objects are:"<<total_obj<<endl;
	cout<<"\nthe total weight is:"<<total_wt<<endl;
}
int main(){
	bag b[10];
	float w;
	char c[10];

	int i=0, n=0, choice;
	while(choice!=5){

		cout<<"1.get data\n2.delete object\n";
		cout<<"3.display\n4.exit\n";
		cout<<"enter your choice: ";
		cin>>choice;

		switch(choice){

			case 1:
				int ch;
				while(ch!=5){

						cout<<"1.enter weight and color\n2.default weight and color\n3.enter color and default weight\n";
						cout<<"4.enter weight and default color\n5.next option\n";
						cout<<"enter your choice: ";
						cin>>ch;

					switch(ch){

						case 1:

							cout<<"weight:";
							cin>>w;
							cout<<"color:";
							cin>>c;

							b[i].getdata(w, c);
							n+=1;
							i+=1;
				 			//	bag::output();
							break;


						case 2:

							b[i].getdata();
							n+=1;
							i+=1;
					      //bag::output();
							break;


						case 3:
							cout<<"color:";

							cin>>c;

							b[i].getdata(c);
							n+=1;
							i+=1;
	  						//	bag::output();
							break;


						case 4:

							cout<<"weight:";
							cin>>w;
							b[i].getdata(w);
							n+=1;
							i+=1;
							//bag::output();
							break;
					}
				}
				break;

			case 2:
				int d;
				cout<<"enter the object you want to delete: ";
				cin>>d;
				b[d-1].totalobj_afterdelete(d, b[d-1]);

				if(d>n){
					cout<<"\ncannot delete"<<endl;
				}
				else{
					int i;
					for(i=d-1; i<n; i++){
						b[i]=b[i+1];
					}
				}
				n=n-1;


				break;

			case 3:

			//	int i;
				cout<<"sr. no.\t"<<"color\t"<<"weight"<<endl;
				for(i=0; i<n; i++){
					b[i].display(i);
				}
				bag::output();
				break;

			case 4:
				exit(0);
		}

	}


	return 0;
}