@Test public void testBase(){ int[] array = {1, 2, 3}; int res = ArrayExample.sum(array); assertEquals(6, 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);  }