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A parent class variable can refer to a child class object. This is called polymorphism, and this video introduces the concept.

Jeff starts simulating the gravitational physics of a single-star system using realistic physics values for the Solar System and ends ...

Learn how to determine the runtime class of an object so you can cast it to the orrect data type.

There are different kinds and subclasses of Exception. This video describes the Exception hierarchy and talks about checked vs.

A light-hearted general audience introduction to the secret-not-secret true history of digital computing, from the beginning to the ...

You use a Scanner based on a File object to read from files. You'll need to handle a checked exception when you do that.

Video # 3 Chapter One - Why We Program? Demonstration: Doing the "Hello World" Assignment. Programming for Everybody ...

Online CBSE Tuition & Doubt Clarification Sessions for Class 11 & 12 – Computer Science & Informatics Practices Contact: ...

This Python 3 tutorial course aims to teach everyone the basics of programming computers using Python. The course has no ...

... 12 16 it is 8 12 16 and then the other column right i guess um this column here up above five seven nine becomes multiplied by ...

This is from Python for Informatics - Exploring Information. www.pythonlearn.com.

This is from Python for Informatics - Exploring Information. www.pythonlearn.com.

You can organize your files into packages and control which parts of them other programmers have access to by setting their ...

How to get something better than the name of a class and its memory reference when you print an object reference.

In this course, our style guidelines tell you to *always* use braces with if statements. This video explains the problems you could ...

This session was given at the IT Camp conference in Cluj-Napoca on June 8th, 2018. *Part 12: Resources and Conclusion* In this ...

So declarative has the idea that you don't tell a program what to do. What are all the other programming languages or paradigms?

This is Chapter 7 for Python for Informatics. www.pythonearn.com All Lectures: ...

This is Chapter 10 from Python for Informatics - Exploring Information. From www.pythonlearn.com. All Lectures: ...

This video describes how to use a dictionary --- a set of key-and-value pairs. Other programming languages have similar ...