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POConstant Parameter Design
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copied!<p>I am working with a Class that contains constants or parameter values that all classes can reference for example;</p> <pre><code> public class Parameters { public static final String JUMP_TO_VALUE = "Parameters.JUMP_TO_VALUE"; public static final String EXCEPTION_ID = "Parameters.EXCEPTION_ID"; } </code></pre> <p>Some of the foundation classes in my application will use the parameter values in the Parameters class like so:</p> <pre><code> mapOfValues.put( Parameters.JUMP_TO_VALUE, "some_value") </code></pre> <p>This is simple enough I have some basic values in Parameters that most of my base classes will use them. There will be many situations where I will need to add addition parameters to the <b>Parameters</b> class, but I don't want to over populate or pollute the <b>Parameters</b> class ever time a new parameter is identified. I would rather create some subclass of <b>Parameters</b> like:</p> <pre><code> public class NetworkParameters extends Parameters { public static final String HOST_NAME = "NetworkParameters.HOST_NAME"; public static final String POST_NUM = "NetworkParameters.PORT_NUM"; } </code></pre> <p>Some of my specific classes will use the values that are contained in this class versus putting them in the <b>Parameters</b> class.</p> <p>These specific classes that need HOST_NAME for example I don't want them to reference the <b> NetworkParameters</b> class but rather the <b>Parameters</b> class. </p> <p>I am sure people have done this before but I am looking for advice on how best to implement this design.</p>

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