Calc

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examples/java/Calc.java

public class Calc {

  public static void main(String[] args) {
    Number c = add(2, 3);
    System.out.println(c);
  }

  public static Integer add(Integer a, Integer b) {
    /* System.out.println(a);
    System.out.println(b); */
    return a+b;
  }
}