Today we are going to demonstrate how to send encrypted emails using java. Data encryption is necessary as in the real life is full of security threats from hackers, The data must be protected by using some form of...
What are constant parameter member functions in C++
Constant Member Functions Member functions in a class can be declared as constant if that member function has no necessity of modifying any data members. A member function can be declared as constant as follows:...
Java Code to Extract Text from PDF Files
Today in this article I am going to demonstrate you how to read or extract text from pdf files using java code. Why do I even need to read the pdf files ? Okay, suppose you are programming a E-commerce website using...
How to perform HTTP authentication in Servlets
It is common in web applications to pass data or parameters from one to another page. To retrieve the value of various elements in a HTML form or from another page, we can use the following method which is available...
What are constant member functions and constant parameters in C++
Member functions in a class can be declared as constant if that member function has no necessity of modifying any data members. A member function can be declared as constant as follows: return–type...
How to avoid overhead of the function using inline C++ functions
Making a function inline avoids the overhead of a function call. By default functions defined inside a class are inline. To get the benefits of making a function inline, function defined outside the class can also be...
What is Object Slicing in C++
Object Slicing In inheritance we can assign a derived class object to a base class object. But, a base class object cannot be assigned to a derived class object. When a derived class object is assigned to a base class...
What are types of constructors in C++
Types of Constructors A constructor can be classified into following types: Dummy constructorDefault constructorParameterized constructorCopy constructorDynamic constructor Dummy Constructor When no constructors are...
The Six Unique Ways You can Declare Interface in Java
When you are new to java you will experience confusion even though it is easy when it is compared with such as generics and lambdas. However, even simpler features such as interfaces can be puzzling. A...
How do you implement operator overloading in C++ Programming
Operator overloading can be implemented in two ways. They are: Using a member functionUsing a friend function Differences between using a member function and a friend function to implement operator overloading are as...
What are type defined structures in C Programming
We can use the keyword typedef to define a structure as follows: typedef struct { char name[20]; char rollno[15]; int age; char grade; } student; 123456789 typedef struct { char...
How to use the super keyword in Java programming
Following are the uses of super keyword: To refer the immediate super class constructorTo refer the immediate super class members Refer super class constructor: The super keyword can be used to invoke the...