这里是英文原文的要求：write a Java class representing computer memory. The class will have the
following functionality:
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Store data in a given memory location.
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Input parameters: a memory address, a data value
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Return value: a flag indicating success or failure
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Action: store the data value in the memory location
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Retrieve data from a memory location.
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Input parameter: a memory address
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Return value: the value stored in the given location
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Delete data from a memory location
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Input parameter: a memory location
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Return value: a flag indicating success or failure
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Action: write a random value into the memory location to erase the
original content
You may assume that the memory addresses and data values are of integer type.