import com.beust.jcommander.JCommander; import com.beust.jcommander.Parameter; import com.beust.jcommander.Parameters; public class CalculatorTool { public static void main(String[] args) { CalculatorArgs calculatorArgs = new CalculatorArgs(); JCommander.newBuilder() .addObject(calculatorArgs) .build() .parse(args); int sum = calculatorArgs.num1 + calculatorArgs.num2; System.out.println("Sum: " + sum); } } @Parameters(commandDescription = "Calculate the sum of two numbers") public class CalculatorArgs { @Parameter(description = "The first number") public int num1; @Parameter(description = "The second number") public int num2; } java CalculatorTool --num1 10 --num2 20


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