LinkedIn principal author Doug Winnie explains some of the basics of debugging your code. As a coder, you can send messages to yourself to monitor values and functions in your code. Depending on your tool or IDE, you can also interactively execute your code to investigate and monitor variables and objects as your executes code line-by-line. Finally, you can create errors, called exceptions, to allow coders and users tools to resolve issues.
- No programmer is perfect.…And along the way you will make mistakes…that will generate errors and bugs.…Part of being a programmer…is dealing with these types of issues,…and learning how you can debug your code.…There are a few ways you can go about fixing problems.…One common scenario is that you are going…through your program and you get a value…at the end that seems to be completely off.…For instance, maybe you are calculating a shopping cart.…And the total amount is crazy high.…Something is clearly wrong.…
But you can't find out where.…In your code, you can monitor the values of variables…by sending them to places in your app that can display text,…or send yourself messages as the program runs.…With these messages, you can pinpoint…where things go wrong and work to fix them.…There are also tools you can use…to control how your code runs.…Many developer coding tools called…Integrated Development Environments, or IDEs,…have a special debugging mode that allows you…to interactively run your code line by line.…
Author
Doug Winnie
Released
11/28/2016Join Doug Winnie as he explains the principles of programming and helps you connect to core concepts by exploring three ways that programmers perform their jobs. Doug starts by sharing the history of coding and then dives into functions, values, variables, and parameters used to define actions. He covers capturing input from users, creating conditional tests, using loops with arrays, and object-oriented programming basics. He also takes you beyond programming, into processes like debugging, refactoring, and building iteratively.
- Working with values and variables
- Breaking down tasks
- Customizing functions and parameters
- Building conditional tests
- Creating and changing arrays
- Working with objects and classes
- Debugging and refactoring code
- Going beyond the code as a programmer
Skill Level Beginner
Duration
Views
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Introduction
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Welcome1m 40s
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What you should know1m 3s
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1. Control Computers with Code
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History of programming2m 9s
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Forms of programming5m 12s
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2. Define Actions Using Code
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Break down tasks2m 29s
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Variables and scope2m 9s
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Return values from functions2m 15s
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Work with an API1m 27s
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3. Repeat Actions and Test for Conditions
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Capture input from the user3m 31s
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Create conditional tests4m 39s
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Use while loops2m 11s
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Use for loops3m 11s
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Use loops with arrays2m 5s
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4. Objects and OOP
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Everything is an object2m 21s
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Everything is a class4m 3s
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Extend classes2m 7s
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5. Beyond Programming
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Debug problems2m 50s
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Conclusion
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Next steps1m 19s
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Video: Debug problems