Write a c++ program to find Addition and Subtraction of complex number using operator overloading.

Write a C++ program to concatenate two strings using operator overloading.

Give the output of the following program.

Write the coding for the following output using constructor overloading.
Output:
Constructor without parameters ...
Parameterized constructor ...
Copy Constructor ....
Enter data ... 20 30
Object a:
The numbers are ..20 30
Thesum of the numbers are .. 50
Object b:
The numbers are..10 20
The sum of the numbers are .. 30
Object c..
The numbers are ..10 20
The sum of the numbers are .. 30

Write a program to find the area of a rectangle using constructor overloading in a class.