UC知道一个Java考题~
来源：百度知道 编辑：UC知道 时间：2024/06/19 03:18:00
1. byte [] arry1, array2[];
2. byte array3 [][];
3. byte[][] array4;
If each array has been initialized, which statement will cause a compiler error?
A.
Array2 = array1;
B.
Array2 = array3;
C.
Array2 = array4;
D.
Both A and B
E.
Both A and C
F.
Both B and C
2. byte array3 [][];
3. byte[][] array4;
If each array has been initialized, which statement will cause a compiler error?
A.
Array2 = array1;
B.
Array2 = array3;
C.
Array2 = array4;
D.
Both A and B
E.
Both A and C
F.
Both B and C
选A。
因为byte [] array1, array2[]; 这句话相当于：
byte array1[],array2[][];
因此不能把array1赋给array2
丢人了...是选A.
当声明数组的时候,数组的类型和括号可以结合起来使用..
byte [] array1, array2[]
前面的括号是两个共有的，所以
array1是一维的数组,而array2[][]是二维的...