int dataA [] = new int [] {1,2,3,};
int dataB [] = new int [] {2,1,3,};
System.out.println(Arrays.equals(dataA,dataB)); //傳回false，必須順序相同才傳回true int dataA [] = new int [] {1,2,3,};
int dataB [] = new int [] {2,1,3,};
System.out.println(Arrays.equals(dataA,dataB)); //傳回false，必須順序相同才傳回true