15 lines
433 B
Java
15 lines
433 B
Java
// understandingcollections/Groundhog.java
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// (c)2016 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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// Looks plausible, but doesn't work as a HashMap key
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public class Groundhog {
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protected int number;
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public Groundhog(int n) { number = n; }
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@Override
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public String toString() {
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return "Groundhog #" + number;
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}
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}
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