Write it, run it, read the output

This is a scratch drill — your code runs, nothing is graded or recorded. No test cases, no expected output, no verdict.

TASK

Transform the given matrix by using Arrays.sort on each row, then copying each column into one reusable array, sorting it, and writing it back. Print the final matrix, with one row per line and spaces between values.

1 4 6 
2 5 8 
3 7 9