单项选择题
A.The program will terminate with an ArrayIndexOutOfBoundsException.
B.The program will terminate with a NullPointerException.
C.4 will be written to standard output.
D.6 will be written to standard output.
E.7 will be written to standard output.
多项选择题 Which code fragments will succeed in initializing a two-dimensional array named tab with a size that will cause the expression tab[3][2] to access a valid element?() CODE FRAGMENT a: int[][] tab = { { 0, 0, 0 }, { 0, 0, 0 } }; CODE FRAGMENT b: int tab[][] = new int[4][]; for (int i=0; i CODE FRAGMENT c: int tab[][] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; CODE FRAGMENT d: int tab[3][2]; CODE FRAGMENT e: int[] tab[] = { {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0} };
单项选择题 Itisdesirablethatacertainmethodwithinacertainclasscanonlybeaccessedbyclassesthataredefinedwithinthesamepackageastheclassofthemethod.Howcansuchrestrictionsbeenforced?()
多项选择题 WhichofthesearekeywordsinJava?()