public class fix {
    public static void main(String[] args) {
        int[][] b = {{3,4,5},{6,7,8}};
        int temp;
        int[][] transposedMatrix = new int[b[0].length][b.length];
        for(int i = 0; i<b[0].length;i++){
            for(int j = 0; j < b.length; j++)
            {
                transposedMatrix[i][j] = b[j][i];
            }
        }
        for (int i = 0; i < transposedMatrix.length; i++) {
            for (int j = 0; j < transposedMatrix[i].length; j++) {
                System.out.print(transposedMatrix[i][j]);
            }
            System.out.println("");
        }
    }
}