Create the class stack and add the exception when user tries to add items while the stack is full and when user tries to delete item while the stack is empty. Throw exception in both the cases and handle these exception.
- Program to Queue/Exception Implementation in C++
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Source Code
#include<iostream>
#include<conio.h>
#include<process.h>
#include<ctype.h>
using namespace std;
class stack1
{
protected:
int stac[10],item,tos;
public:
stack1()
{
tos=-1;
}
void push()
{
cout<<"\nEnter data to be inserted: ";
cin>>item;
tos++;
stac[tos]=item;
cout<<"Data inserted: "<<item;
}
void pop()
{
cout<<"\nThe data popped is "<<stac[tos];
tos--;
}
void traverse()
{
int i=0;
cout<<"\nThe items in the stack are: ";
for(i=0;i<=tos;i++)
cout<<"\t"<<stac[i];
}
};
class stack2:public stack1
{
public:
void input()
{
if(tos>=5)
throw"\n***Exception: STACK FULL ***\n ";
else
push();
}
void output()
{
if(tos==-1)
throw"\n***Exception: STACK EMPTY ***\n ";
else
pop();
}
void display()
{
if(tos==-1)
throw"\n***Exception: STACK EMPTY ***\n copyright ";
else
traverse();
}
};
int main()
{
stack2 obj;
int c;
cout<<"\n\n1. PUSH 2. POP 3. TRAVERSE 4. EXIT\n ";
do{
cout<<" \n\nENTER THE CHOICE: ";
cin>>c;
switch(c)
{
case 1:
try{
obj.stack2::input();
}
catch(char *msg)
{
cout<<msg<<endl;
}
break;
case 2:
try{
obj.stack2::output();
}
catch(char *msg)
{
cout<<msg<<endl;
}
break;
case 3:
try{
obj.stack2::display();
}
catch(char *msg)
{
cout<<msg<<endl;
}
break;
case 4:
exit(0);
default:
cout<<"\n*** INVALID ***";
}
}while(getch());
getch();
}Output
