Read a Long Value

Read a large whole number from standard input using sc.nextLong() and print its value multiplied by two. For example, if the input is 1000000000, print:

Doubled: 2000000000

Use System.out.println with concatenation.

Expected Output:

Doubled: 2000000000

Topics:

User Input

Code Editor

Tab to indent · Ctrl+Enter to run · Ctrl+Space to expand shortcuts (sysout, psvm, fori)

Your Output

Run your code to see the output here...

Test Cases

Run your code to see test case results.