Suppose a scanner object is created as follows: scanner input = new scanner(system.in); the method you use to read a real number is Scanner input = new Scanner(System.in); input. nextDouble();
This is because the Scanner input = new Scanner(System.in); input. nextDouble(); command creates the input for a number that contains both whole numbers and decimal numbers and this is why double is used and not int.
This refers to the fundamental data type that is encoded into the compiler and used to define numeric variables holding numbers with decimal points
Hence, we can see that Suppose a scanner object is created as follows: scanner input = new scanner(system.in); the method you use to read a real number is Scanner input = new Scanner(System.in); input. nextDouble();
This is because the Scanner input = new Scanner(System.in); input. nextDouble(); command creates the input for a number that contains both whole numbers and decimal numbers and this is why double is used and not int.
Read more about double and float here:
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