Java Programming: Lesson 48 - Threading
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In the previous lesson ( • Java Programming: Lesson 47 - File I/O ), we looked at file I/O, which is the process of creating, writing to, and reading from text files. We review the theory here, and then we press on to talk about threading in Java.
Option 1 for threading:
1. Create a class that extends Thread, call it Apple
2. in Apple, define a void instance method called run( ) and give it instructions
3. Create a class that tests the class created in step 1, called AppleTester
4. Create a static main method in AppleTester
5. In the main method, create an instance of Apple with a default constructor (no parameters), call it P
6. In the main method, call P.start( )
Option 2 for threading:
1. Create a class that implements Runnable, call it Banana
2. in Banana, define a void instance method called run( ) and give it instructions
3. Create a class that tests the class created in step 1, called BananaTester
4. Create a static main method in BananaTester
5. In the static method, create an instance of Banana with a default constructor (no parameters), call it Q
6. In the main method, create an instance of Thread and pass in Q created in step 5, call it R
7. In the main method, call R.start( )
0:13 Review of File I/O
7:53 NEW: Intro to Threading
9:41 NEW: Threading by extending Thread
15:52 NEW: Threading by implementing Runnable
Ok, ready for LinkedLists? Check it out here: • Java Programming: Lesson 49 - Intro to Lin... (they're better than ArrayLists in a way...)
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