
First create a DoSum class, and then write the main function

Then create the Add class, and then create private parameters

Then create several functions, then receive values and output

Then create the sc object in the main function, and then use The object calls the function

# and then uses the system.out.print() method to output the value in the parameter. In this way, the function call is basically completed

Recommended tutorial:Getting started with java development
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