A.int[] score=new int[];B.int score[]=new int[4]{34,90,87,54,24};C.int[] score=new int[4]{90,12,34,77};D.int score={78,23,44,78};
A.1 B.2 C.3 D.4
A.x[24]為0 B.x[24]未定義 C.x[25]為0 D.x[0]為空