- So how'd you make out with the…Kathie's Catering challenge?…I hope you had some fun with it.…I'd like to show you my solution…and as I always say, it might be different than yours.…Let's start with the event class.…At the top of the event class,…we have our instance data.…On line 10 is something a little bit new, though.…I have public static int nextEventNumber.…By declaring this variable as static,…it allows all the events that I create…to share the same value.…Normally, the instance data is only available…to the one object, but when you add the word static,…it allows the variable to be shared.…
An example might be what if we wanted to count up…the number of events that we have coming up?…By declaring a variable as static,…we can add one to it every time we create a new event.…It's not specific to a certain event.…It's specific to the entire collection of events.…On line 14, notice that we have…private final double pricePerGuest.…That way, if the price changes,…it's easy for us to change it in one place.…I mentioned in the challenge that I wanted you to create…
Author
Released
6/29/2015- Getting started with parsing
- Reviewing data types
- Using decisions
- Creating user-defined methods
- Command-line debugging
- Exploring the Java API
- Creating and instantiating classes
- Working with interfaces
- Storing items with arrays
Skill Level Intermediate
Duration
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Q: How can I make my debugger function like the author’s?
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Introduction
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Welcome58s
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1. Command Level Programming
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Challenge: Hello world1m 8s
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Solution: Hello world2m 22s
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2. Basics Review
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Reviewing data types4m 32s
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Using decisions2m 37s
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Managing loops4m 36s
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Challenge: College cost app1m 12s
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Solution: College cost app4m 23s
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3. Debugging
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Setting breakpoints1m 42s
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Stepping through the code4m 37s
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Command line debugging3m 50s
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Solution: Debugging5m 25s
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4. Java API
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Exploring the Java API3m 2s
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Challenge: API51s
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Solution: API2m 16s
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5. Simulations and Algorithm Analysis
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Using simulations3m 24s
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Random number generator3m 5s
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Analyzing algorithms4m 49s
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Leveraging recursion1m 59s
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Challenge: Monte Carlo2m 1s
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Solution: Monte Carlo3m 2s
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6. Classes and Objects
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Diagramming with UML1m 42s
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Creating classes7m 4s
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Using encapsulation1m 28s
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Instantiating classes7m 16s
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Avoiding null references4m 27s
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Challenge: Kathie's Catering2m 53s
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Solution: Kathie's Catering4m 41s
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7. More on Classes
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Introducing inheritance6m 35s
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Working with interfaces4m 30s
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Using polymorphism2m 14s
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Solution: Pizza ordering app3m 51s
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8. Data Structures
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Storing items with arrays4m 15s
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Utilizing 2D arrays3m 3s
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Managing ArrayLists5m 33s
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Enhanced for Loop5m 9s
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Challenge: Name finder1m 8s
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Solution: Name finder3m 42s
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Conclusion
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Next steps34s
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Video: Solution: Kathie's Catering