Array的问题
byte [] array1, array2[];
byte array3 [][];
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
Answer:A。注意array1是一维数组而array2是二维数组,一切就OK了