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【单选题】
In just three years, the Net has gone from a playground for the local people to a vast communications and trading center where millions swap information or do deals around the world.A.
business
B.
shopping
C.
chatting
D.
meeting
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反馈参考答案：
举一反三
【单选题】下面语句中错误的是 ( )
A.
ReDim Preserve Matrix(10, UBound(Matrix, 2)+1)
B.
ReDim Preserve Matrix(UBound(Matrix, 1)-4-1, 10)
C.
ReDim Preserve DynArray(UBound(DynArray)+1)
D.
ReDim DynArray(UBound(DynArray)+1)
【简答题】编程,输出如下形式的方阵 要求在类里定义方法返回方阵,在 main 方法里调用此方法。 public class Matrix { public int[][] getMatrix(int n){ int count = 1; int[][] matrix = new int[n][n]; ... return matrix; } public static void main(String[] ...
【简答题】#include using namespace std; class Matrix { public: Matrix(int r,int c) { row=r; col=c; elem=new double[row*col]; } double &operator( )(int x,int y) { return elem[col*(x-1)+y-1]; } ~Matrix() {de...
【简答题】#include using namespace std; class Matrix { public: Matrix(int r,int c) { row=r; col = c; elem = new double[row*col]; } double &operator( )(int x,int y) { return elem[col*(x - 1) + y - 1]; } ~Matr...
【单选题】How many elements are array matrix (int[][] matrix = new int[5][5])?
A.
25
B.
20
C.
30
D.
14
【单选题】一个二维数组Matrix 如下定义,第1个元素是Matrix[0,0],那么该二维数组中第9个元素是() int [,] Matrix = new int[3, 5];
A.
Matrix[3, 3]
B.
Matrix[1, 4]
C.
Matrix[2, 2]
D.
Matrix[1, 3]
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