Multilevel inheritance - A class inherits properties from a class which again has inherits properties. Example class Shape { public void display() { System.out.println("Inside display"); } } class Rectangle extends Shape { public ... Read More

SVG stands for Scalable Vector Graphics and is a language for describing 2D-graphics and graphical applications in XML and the XML is then rendered by an SVG viewer. Most of the web browsers can display SVG just like they can display PNG, GIF, and JPG.To draw a polygon in HTML ... Read More

The Standard Template Library (STL) is a software library for the C++ programming language that influenced many parts of the C++ Standard Library. It provides four components called algorithms, containers, functions, and iterators. Note that the term "STL" or "Standard Template Library" does not show up anywhere in the ISO ... Read More

The Rule of three is a rule of thumb when using C++. This is kind of a good practice rule that says that If your class needs any ofa copy constructor, an assignment operator, or a destructor, defined explicitly, then it is likely to need all three of them.Why is ... Read More

Use the wordbreak property in JavaScript to set line breaking rules for non-CJK scripts. The following are CJK scripts: C for Chinese, J for Japanese, K for Korean.ExampleYou can try to run the following code to learn how to implement wordbreak property −           ... Read More

To understand this concept, we are using the data from table ‘Details_city’ as follows −mysql> Select * from details_city; +--------+--------+ | City1  | City2  | +--------+--------+ | Delhi  | Nagpur | | Delhi  | Mumbai | | Nagpur | Delhi  | | Katak  | Delhi  | | Delhi  | Katak  | ... Read More

With the help of following MySQL statement, we can use SELECT to calculate the expression −SELECT expression;The above statement is having no reference to any table. Followings are some examples −mysql> Select 10 DIV 5; +----------+ | 10 DIV 5 | +----------+ |        2 | +----------+ 1 ... Read More

MySQL determines the end of a statement when it encounters any one of the followings −Semicolon(;)Generally, MySQL determines the end of the statement, single-line or multiple-line, when it encounters the termination semicolon(;). Consider the examples below, mysql> Select * from employee; (Single line statement) mysql> Select *     -> ... Read More

We can create a stored procedure with IN operator to delete values from a MySQL table. To make it understand we are taking an example of a table named ‘student_info’ having the following data −mysql> Select * from student_info; +------+---------+------------+------------+ | id   | Name    | Address    | ... Read More

The following MySQL statement can find out the storage engine used for ‘Student’ table in database named ‘tutorial’ −mysql> SELECT ENGINE FROM information_schema.TABLES   -> WHERE TABLE_SCHEMA = 'tutorial'   -> AND TABLE_NAME = 'Student'; +--------+ | ENGINE | +--------+ | MyISAM | +--------+ 1 row in set (0.13 sec)