#include <iostream>
using namespace std;
class Employee 
{ 
  public:
         char emp_name[30]; 
         int emp_number;
         float basic, da, it, gross_salary, net_salary; 
  public: void read_emp_details(int count)
          {     
            cout<<endl<<" Enter Employee  Details ";
            cout<<endl<<"Employee Number: "; 	
            cin>>emp_number; 	
            cout<<"Employee Name: "; 	
            cin>>emp_name; 	
            cout<<"Basic Salary: "; 
            cin>>basic; 	
            cout<<"\n---- Employee "<<count<<" Datails are saved ----\n\n";
          }
          float find_net_salary()
          { da = basic * 0.52;
          gross_salary = basic + da; 
          it = gross_salary * 0.30;
          net_salary = (basic + da) - it; 
          return net_salary; 
          }
          void display_emp_details(int count)
          { cout<<"\n\n*** Employee "<<count<<" Details ***\n"; 
          cout<<"\nEmployee Number	: "<<emp_number;
          cout<<"\nEmployee Name	: "<<emp_name;
          cout<<"\nNet Salary: "<<net_salary;
          cout<<"\n--------------------------\n";
          } 
  
}; 
int main()
{ 
  Employee emp[100]; 
  int number_of_emp, count;
  cout<<"\nPlease enter the number of Employees (Max. 100): ";
  cin>>number_of_emp; 
  for(count=0; count< number_of_emp; count++)
  { 
    emp[count].read_emp_details(count+1); 
    
  } 
  for(count=0; count < number_of_emp; count++)
  { 
    emp[count].find_net_salary();
  }
  for(count=0; count < number_of_emp; count++)
  {
    emp[count].display_emp_details(count+1);
  }
  cout<<"\nPress any key to close!!!";
  return 0; 
  
}
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Read inputs from stdin

OneCompiler's C++ online compiler supports stdin and users can give inputs to programs using the STDIN textbox under the I/O tab. Following is a sample program which takes name as input and print your name with hello.

#include <iostream>
#include <string>
using namespace std;

int main() 
{
    string name;
    cout << "Enter name:";
    getline (cin, name);
    cout << "Hello " << name;
    return 0;
}

About C++

C++ is a widely used middle-level programming language.

  • Supports different platforms like Windows, various Linux flavours, MacOS etc
  • C++ supports OOPS concepts like Inheritance, Polymorphism, Encapsulation and Abstraction.
  • Case-sensitive
  • C++ is a compiler based language
  • C++ supports structured programming language
  • C++ provides alot of inbuilt functions and also supports dynamic memory allocation.
  • Like C, C++ also allows you to play with memory using Pointers.

Syntax help

Loops

1. If-Else:

When ever you want to perform a set of operations based on a condition If-Else is used.

if(conditional-expression) {
   //code
}
else {
   //code
}

You can also use if-else for nested Ifs and If-Else-If ladder when multiple conditions are to be performed on a single variable.

2. Switch:

Switch is an alternative to If-Else-If ladder.

switch(conditional-expression){    
case value1:    
 // code    
 break;  // optional  
case value2:    
 // code    
 break;  // optional  
......    
    
default:     
 code to be executed when all the above cases are not matched;    
}

3. For:

For loop is used to iterate a set of statements based on a condition.

for(Initialization; Condition; Increment/decrement){  
  //code  
}

4. While:

While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.

while (condition) {  
// code 
}

5. Do-While:

Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.

do {  
 // code 
} while (condition);

Functions

Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity. Function gets run only when it is called.

How to declare a Function:

return_type function_name(parameters);

How to call a Function:

function_name (parameters)

How to define a Function:

return_type function_name(parameters) {  
 // code
}