An Operation is a member function of a class

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```room
Operation operationName() [“A void operation”] ’’‘
user code here;
// don’t forget the ’;‘ at line end
’’’

    Operation operationName(param1: int16, param2: int32) : boolean
       ["Operations can have multiple parameters and one return type"] '''
       return param1 == param2;
    '''

    // 'override' replaces implementation of overriding operation,
    // becomes effective in entire inheritance hierarchy
    override Operation operationName(param: int32) : boolean ''' '''
    ```
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