Parameterized Constructor Example in C++

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This program creates a class Student which has three data members - ID, Name, and Percentage. It has one constructor that takes three arguments - i, n, and s - which are used to initialize the data members. The class also has a display() function which prints out the values of ID, Name, and Percentage. In the main() function, two objects of the Student class are created - s1 and s2 - using the constructor with three arguments. The display() function is then called for each object to print out the values of its data members.

Source Code

#include <iostream>
using namespace std;
class Student
{
   public:
    int ID;
    string Name;
    float Percentage;
    Student(int i, string n, float s)
    {
      ID=i;
      Name=n;
      Percentage=s;
    }
    void display()
    {
       cout<<ID<<"  "<<Name<<"  "<<Percentage<<endl;
    }
};
int main(void)
{
  Student s1=Student(101, "Arun", 93);
  Student s2=Student(102, "Aswin", 89);
  s1.display();
  s2.display();
  return 0;
}

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Output

101  Arun  93
102  Aswin  89

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Program List

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• Hello World In C++
• Why we using namespace std in C++
• Getting Inputs in C++
• std::string class in C++
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• Arrays in C++
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• Function In C++
• Function Overloading In C++
• Default Argument Function In C++
• Template In C++
• Enum In C++
• Class in C++
• What is Public Access Specifier in C++
• What is Private Access Specifier in C++
• Scope Resolution :: Operator in C++
• Default Constructor in C++
• Parametrized Constructor in C++
• Copy Constructor in C++
• Constructor Overloading in C++
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• Single Inheritance in C++
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• Pure Virtual Function & Abstract Class in C++
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Goto Statement

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• Factorial using Goto in C++
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• Printing Given Word using Goto
• Printing Numbers using Goto
• Printing Odd Numbers using Goto
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Break and Continue

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• Printing Numbers in C++
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While Loop

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• Armstrong Number using While Loop
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• Printing Even & Odd Numbers
• Printing Positive & Negative Numbers
• Prime between two Numbers
• Find Prime or Composite
• Printing Numbers in C++
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• Reverse Tables using While Loop

Do While Loop

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• Printing given Word
• Printing Numbers using Do While Loop

For Loop

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• Alphabet Diamond Pattern
• Armstrong number using For Loop
• Cubic Numbers using For Loop
• Divisible by 7 using For Loop
• Fibonacci series using For Loop
• Formula Examples using For Loop
• Reverse Number Pattern
• Number Patterns using For Loop
• Odd & Even Numbers using For Loop
• Printing Star Diamond Pattern in C++
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• Diamond Pattern Outline in C++
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• Printing Tables using For Loop
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• Reverse Printing Number using in C++
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• Find Distance using Friend Function
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• Private & Protected Example in C++

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• Basic Example of String in C++
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• String Resize in C++
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Structure & Functions Examples

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• Difference between two Numbers in C++
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Hybrid Inheritance

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Multilevel Inheritance

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Multiple Inheritance

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Constructor Example

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• Constructor Overloading Example
• Constructor Invoking Example
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Destructor Example

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• Destructor Example in C++

Operator Overloading Example

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• Assignment Operator Overloading Example
• Binary Operator Example
• Increment & Decrement Example
• Input & Output Example
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Operator and Function Example

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• Constructor Example in C++
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• Inline Function in C++
• Struct vs Class in C++
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• Friend Function in C++
• Insertion Overload in C++
• Inheritance Example in C++
• Single Inheritance in C++
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• Static Member Function in C++
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