The superclass calculator contains: a (protected) double instance variable , accumulator, that contains the current value of the calculator.

write a subclass, calculatorwithmemory, that contains: a double instance variable , memory, initialized to 0 a method , save, that assigns the value of accumulator to memory a method , recall, that assigns the value of memory to accumulator a method , clearmemory, that assigns zero to memory a method , getmemory, that returns the value stored in memory.

What is transmission control protocol/internet protocol (tcp/ip)? software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons a standard that specifies the format of data as well as the rules to be followed during transmission a simple network protocol that allows the transfer of files between two computers on the internet a standard internet protocol that provides the technical foundation for the public internet as well as for large numbers of private networks