- It is helpful to understand how to compile and run Java programs without using an integrated development environment. For this section, we will use Brackets as our text editor to write Java code and then compile and run the programs using the executables available from the Java Development Kit, or the JDK. All Java applications are compiled to bytecode that can run on any JVM, or Java Virtual Machine, regardless of the underlying computer architecture, making it platform independent.
A Java application can accept any number of arguments from the command line. This allows the user to specify configuration information when the application is launched. To write and test programs using the command prompt, it is important to locate the folder where you downloaded the Java JDK. This is required to compile and run Java programs on your machine. When you installed the JDK, along with your IDE such as NetBeans, the default directory for Windows should look similar to this, c:\Program Files\Java \jdk1.8.0 _31 We will use this information to set the path variables so we can compile and run our program from the command line.
To open a command prompt, we go to the Windows icon and type CMD.
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: Exploring command level programming