17 lines
322 B
Java
17 lines
322 B
Java
// enumerations/Pet.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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public class Pet {
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void feed() {}
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}
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class Dog extends Pet {
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void walk() {}
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}
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class Fish extends Pet {
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void changeWater() {}
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}
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