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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main( String[] args )
  11. 	{
  12. 		System.out.println( "Running Shifting array..." );
  13.  
  14. 		int[][] pattern = new int[][]{
  15. 		        { 1, 1, 1, 1, 1, 1, 1 },
  16. 		        { 1, 2, 0, 0, 0, 2, 1 },
  17. 		        { 1, 0, 3, 0, 3, 0, 1 },
  18. 		        { 1, 0, 0, 4, 0, 0, 1 },
  19. 		        { 1, 0, 3, 0, 3, 0, 1 },
  20. 		        { 1, 2, 0, 0, 0, 2, 1 },
  21. 		        { 1, 1, 1, 1, 1, 1, 1 },
  22. 		};
  23.  
  24. 		List<Integer[]> output = twoDArrayList( 2,  pattern );
  25.  
  26. 		Iterator it = output.iterator();
  27. 		int count = 0;
  28. 		while( it.hasNext() )
  29. 		{
  30. 			Integer[] intarray = (Integer[]) it.next();
  31. 			System.out.print( "Array no. " + count + " in the list is : ");
  32. 			for( Integer i : intarray )
  33. 			{
  34. 				System.out.print( i + " ");
  35. 			}
  36. 			System.out.println();
  37. 			count++;
  38. 		}
  39. 	}
  40.  
  41. 	public static List<Integer[]> twoDArrayList(int shift, int[][] input)
  42. 	{
  43.  
  44. 	    List<Integer[]> output = new ArrayList<Integer[]>();
  45. 	    if( input.length == 0 ) return null;
  46. 	    int columnlength = input.length;
  47. 	    int rowlength = input[0].length;
  48. 	    if (columnlength != rowlength) return null;
  49.  
  50. 	    int padsize = shift;
  51. 	    for( int i = 0; i < padsize; i++ )
  52. 	    {
  53. 	        Integer[] zeroes = new Integer[shift+columnlength];
  54.  
  55. 	        for( int j = 0; j < shift+columnlength; j++)
  56. 	        {
  57. 	            zeroes[j] = 0;
  58. 	        }
  59. 	        output.add( zeroes );
  60. 	    }
  61.  
  62. 	    for( int i = 0; i < columnlength; i++ )
  63. 	    {
  64. 	        int[] row = input[i];
  65. 	        int[] zeroes = new int[shift];
  66. 	        List<Integer> temp = new ArrayList<Integer>();
  67. 	        for( int j = 0; j < shift; j++)
  68. 	        {
  69. 	            temp.add(0);
  70. 	        }
  71. 	        for( int k = 0; k < row.length; k++)
  72. 	        {
  73. 	            temp.add(row[k]);
  74. 	        }
  75. 	        output.add(temp.toArray(new Integer[]{}));
  76. 	    }
  77.  
  78. 	    return output;
  79. 	}
  80. }
Success #stdin #stdout 0.11s 320512KB
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Standard input is empty
stdout
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Running Shifting array...
Array no. 0 in the list is : 0 0 0 0 0 0 0 0 0 
Array no. 1 in the list is : 0 0 0 0 0 0 0 0 0 
Array no. 2 in the list is : 0 0 1 1 1 1 1 1 1 
Array no. 3 in the list is : 0 0 1 2 0 0 0 2 1 
Array no. 4 in the list is : 0 0 1 0 3 0 3 0 1 
Array no. 5 in the list is : 0 0 1 0 0 4 0 0 1 
Array no. 6 in the list is : 0 0 1 0 3 0 3 0 1 
Array no. 7 in the list is : 0 0 1 2 0 0 0 2 1 
Array no. 8 in the list is : 0 0 1 1 1 1 1 1 1
https://ideone.com/88kXDu
language:
Java (12.0.1)
created:
8 years ago
visibility:
public

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