When was the Java invented?

Work on the language began in 1991, and before long the team's focus changed to a new niche, the World Wide Web. Java was first released in 1995, and Java's ability to provide interactivity and multimedia showed that it was particularly well suited for the Web.

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What is Python used for?

Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. What is getch and putch in C? getch() is used to take character input by the user and putch() is used to display output character on screen.

What does int main () mean in C?

int main() function

An int is a keyword that references an integer data type. An int data type used with the main() function that indicates the function should return an integer value. When we use an int main() function, it is compulsory to write return 0; statement at the end of the main() function. Why do we use getch in C? getch() method pauses the Output Console until a key is pressed. It does not use any buffer to store the input character. The entered character is immediately returned without waiting for the enter key.

What is namespace in package?

Namespace packages allow you to split the sub-packages and modules within a single package across multiple, separate distribution packages (referred to as distributions in this document to avoid ambiguity). Does Java have a namespace? Java packages are namespaces. They allow programmers to create small private areas in which to declare classes. The names of those classes will not collide with identically named classes in different packages.

What is Python namespace?

Namespaces in Python. A namespace is a collection of currently defined symbolic names along with information about the object that each name references. You can think of a namespace as a dictionary in which the keys are the object names and the values are the objects themselves. What is the use of runtime polymorphism in C#? C# Run Time Polymorphism

In c#, Run Time Polymorphism means overriding a base class method in the derived class by creating a similar function. This can be achieved by using override & virtual keywords and the inheritance principle.

What is runtime polymorphism in C#?

Runtime polymorphism is also known as dynamic polymorphism or late binding. In runtime polymorphism, the function call is resolved at run time. In contrast, to compile time or static polymorphism, the compiler deduces the object at run time and then decides which function call to bind to the object.