Merge pull request #833 from pushpakumari5117/issue-831

Added the code for Constructor Overloading

Author: smv1999

OOPs/Constructor/Constructor_Overloading_cpp.cpp

@@ -0,0 +1,62 @@
+// C++ program to demonstrate Constructor Overloading
+
+// Constructor Overloading - It is defined as the concept of having more than one 
+// constructors with different parameters in a class.
+
+#include<bits/stdc++.h>
+using namespace std;
+
+// class with four Constructors (each with different parameters)
+class Person{
+    private:
+        string name;
+        int age;
+    public:
+        Person(){
+            cout<<"Default Constructor"<<endl;
+            name="no_name";
+            age=0;
+        }
+        Person(string iname){
+            cout<<"Constructor with name as parameter"<<endl;
+            name=iname;
+            age=0;
+        }
+        Person(int iage){
+            cout<<"Constructor with age as parameter"<<endl;
+            age=iage;
+            name="no_name";
+        }
+        Person(string iname,int iage){
+            cout<<"Constructor with name and age as parameter"<<endl;
+            name=iname;
+            age=iage;
+        }
+        void display(){
+            cout<<"Name : "<<name<<endl;
+            cout<<"Age : "<<age<<endl;
+        }
+};
+
+int main(){
+    // Creating an object of class Person (giving no parameter)
+    Person p1;
+    p1.display();
+    cout<<endl;
+    
+    // Creating an object of class Person (giving name as parameter)
+    Person p2("abc");
+    p2.display();
+    cout<<endl;
+    
+    // Creating an object of class Person (giving age as parameter)
+    Person p3(10);
+    p3.display();
+    cout<<endl;
+    
+    // Creating an object of class Person (giving name and age as parameter)
+    Person p4("abc",10);
+    p4.display();
+    
+    return 0;
+}