You can refer the following code to create 2D array:
class 2D_array
 {
public static void main (String args[])
 {
    int arr[][]=new int[3][3];
   System.out.println("Enter the elements");
   for(int i=0;i<arr.length;i++)
           {
                 for(int j=0;j<arr[i].length;j++)
                        {
                            Scanner sc=new Scanner(System.in);
                            arr[i][j]=sc.nextInt();
                        }
           }
System.out.println("your array is");
for(int i=0;i<arr.length;i++)
{
for(int j=0;j<arr[i].length;j++)
    {
System.out.print(arr[i][j]+" ");
    }
System.out.println();
}