Java实现矩阵转置

//矩阵转置
class ArrayUtil { 
   
	//输入矩阵和其列大小
	public static int[][] transpose(int[][] arr, int column) { 
   
		int[][] arr2 = new int[column][arr.length];
		for (int i = 0; i < arr.length; i++) { 
   
			int k = 0;//arr2的行标记
			for (int j = 0; j < arr[i].length; j++) { 
   
				arr2[k][i] = arr[i][j];
				k++;
			}
		}
		return arr2;
	}
	public static void printArray(int[][] arr) { 
   
		for (int i = 0; i < arr.length; i++) { 
   
			for (int j = 0; j < arr[i].length; j++) { 
   
				System.out.print(arr[i][j] + "\t");
			}
			System.out.println();
		}
	}
}

public class MatrixTranspose { 
   
	public static void main(String[] args) { 
   
		int[][] arr = new int[][] { 
    { 
    1, 2, 3 }, { 
    4, 5, 6 }};
		System.out.println("转置前的矩阵：");
		ArrayUtil.printArray(arr);
		int[][] arr2 = ArrayUtil.transpose(arr, 3);
		System.out.println("转置后的矩阵：");
		ArrayUtil.printArray(arr2);
	}
}