i need uml diagram screenshot and explaination for following. Java software package to process the records in a phone book according to the given instructions

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commands

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$$mybtask is to Save the resulting data collection of the instructions of

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add

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$$and

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delete

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$$into the specified output file Save the query results to a separate specified report file. When there are more than one

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query

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$$command$,$ append the latest query results to the end of the report file. Separate the results of different query instructions using dash lines with query instructions. Implement a method in the ElectronicPhoneBook class to save the resulting data collection of the add and delete instructions to the specified output file.

Implement a method to save the query results to a separate report file, appending the results to the end of the file and separating different query instructions with dash lines.