When the int data type is not large enough to store a value, the programmer can use long data type. – Comparison of Key Differences Key Terms Difference Between long and double in Java In Java, both these data types require 8 bytes to store data. Two primitive data types in Java programming languages are long and double.
In other words, the data type also explains the amount of memory allocated to store that data. Each variable has a data type which defines the data type the variable can store. A variable is a name given to a memory location that stores data. In programming, it is necessary to store data.
The main difference between long and double in Java is that long is a data type that stores 64 bit two’s complement integer while double is a data type that stores double prevision 64 bit IEEE 754 floating point.
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