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| public abstract class Mixologist extends Person { | |
| protected static int numServings = 0; | |
| protected static synchronized void addServing() | |
| { | |
| numServings++; | |
| } | |
| ... | |
| } | |
| Compiling Simulation | |
| jrGen/Mixologist.java:26: cannot assign a value to final variable numServings | |
| numServings++; | |
| ^ | |
| 1 error | |
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