Como Inverter os Sinais de Números com a JGA

import net.sf.jga.fn.arithmetic.Negate;

import static java.lang.System.out;

public final class JgaSample {

  public static void main(final String[] args) {
    final Negate<Integer> functor = new Negate<Integer>(Integer.class); // Integer pode ser substituído por qualquer outra subclasse de Number

    out.println("1 = " + functor.fn(1));
    out.println("-1 = " + functor.fn(-1));
  }

}

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