11.5下列初始化数组的格式正确的是(多选): int[ ] arr = new int[ ]{1,2,8,6}|int[ ] arr = new int[ ]{};|int[ ] arr = new int[4]{5,6,8,2}|int[ ] arr = {58,5,55,88,99}
int[ ] arr = {58,5,55,88,99}int[ ] arr = new int[ ]{1,2,8,6}int[ ] arr = new int[ ]{};
举一反三
- 下列关于二维数组的定义正确的是( )。 A: int[1][2] arr=new int[][] B: int[][5] arr=new int[,] C: int[,] arr=new int[][2] D: int[,] arr=new int[2,5]
- 下面正确创建了二维交错数组的是()。 A: int[][] Arr=new int[3][];Arr[0]=new int[]{10,20,30};Arr[1]=new int[]{40,50,60,70};Arr[2]=new int[]{80,90}; B: int[,] Arr=new int[3,];Arr[0]=new int[]{10,20,30};Arr[1]=new int[]{40,50,60,70};Arr[2]=new int[]{80,90}; C: int[][3] Arr={new int[]{10,20,30},new int[]{40,50,60,70},new int[]{80,90}}; D: int[3][] Arr={new int[3]{10,20,30},new int[4]{40,50,60,70},new int[2]{80,90}};
- 下列数组声明语句中,错误的是:()。 A: int[] arr = new int[]{}; B: int[] arr = new int[]; C: int[] arr = {}; D: int[][] arr = new int[2][]
- 下列选项中关于二维数组的定义,格式错误的是( ) A: int [][]arr = new int[3][4] B: int [][]arr = new int[3][] C: int[][] arr = new int[][4] D: int [][]arr = {{1,2},{3,4,5},{6}}
- 下面数组定义错误的是( ) A: int [] arr ={23,45,65,78,89}; B: int [] arr=new int[10] ; C: int [] arr=new int[4]{3,4,5,6}; D: int [] arr={‘a’, 23 , 45 , 6};
内容
- 0
下列数组声明正确的是( ) A: int[][] arr={{1,2,3},{4,5}}; B: int[5] arr={1,2,3,4,5}; C: int[5] arr; D: int[5] arr =new int[];
- 1
Analyze the following code and choose the correct answer. int[] arr = new int[5]; arr = new int[6];
- 2
以下关于数组的声明、创建和赋值语句哪些是正确的?( ) A: int[] arr = new int[5]; B: int[][] arr= new int[3][4]; C: int[][] arr= {{1,5},{3,9}}; D: int[][] arr = new int[3][];
- 3
下面定义数组语句,正确的是( ) A: int arr = new arr[10][2]; B: int ary = {1,2,3,4,5}; C: int[] ary = new arr[10]; D: int[] arr = {-1,"2",3,4,5};
- 4
下面是创建二维数组的正确语句是() A: int arr[][]=new int[3][4] B: int[] arry[]=new int[3][4] C: int arr[][]=new int[3][] D: int arr[][]=new int[][4]