What Java object is used to read terminal input from the keyboard?

The scanner object from the Scanner class allows for interactive user input.

do u know how like the process is set up and how it works?

using java ,I wan to show the axis value of
x-axis: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20
y-axis: 21 14 18 03 86 88 74 87 54 77 61 55 48 60 49 36 38 27 20 18
at the graph, I mean the number values at both of the x and y bar of the graph. How to do it?

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