<awangdev>40. Combination Sum II_4.java
private boolean validate(int[] candidates, int target) {

        return candidates == null || candidates.length == 0 || target <= 0;
    }
private boolean var_0 ( int [ ] var_1 , int var_2 ) {
  return var_1 == null || var_1 . length == 0 || var_2 <= 0 ;
}
