@Test public void testNegative(){ int[] array = new int[3]; array[0] = -2; array[1] = -1; int res = ArrayExample.sum(array); assertEquals(-3, res); }
public static int sum(int[] array){ if(array == null){ return 0; } int sum = 0; for(int i=0; i< array.length; i++){ sum += array[i]; } return sum; }
ArrayExample { public static int sum(int[] array){ if(array == null){ return 0; } int sum = 0; for(int i=0; i< array.length; i++){ sum += array[i]; } return sum; } }
ArrayExample { public static int sum(int[] array){ if(array == null){ return 0; } int sum = 0; for(int i=0; i< array.length; i++){ sum += array[i]; } return sum; }  }
ArrayExample { public static int sum(int[] array){ if(array == null){ return 0; } int sum = 0; for(int i=0; i< array.length; i++){ sum += array[i]; } return sum; }  static int sum(int[] array); }
ArrayExample { public static int sum(int[] array){ if(array == null){ return 0; } int sum = 0; for(int i=0; i< array.length; i++){ sum += array[i]; } return sum; }  static int sum(int[] array);  }