Hier ein Teil meines Codes:

static int add(int x, int y) {

    int a = y;

    int b = x;

    int sum;

    int i = 0;

    if (x < = y) {

      if (i = = x) return a;

      else

        if (a = = Integer.MAX_VALUE) return a;

        else

          while (i < x) {

            a = increment(y);

            i = increment(i);

        }

        sum = a;

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