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

Write a Java program that scans the given 3 x 4 matrix column by column. Store each column's minimum and maximum in the matching result position, then print all minima on one line and all maxima on the next line.

0 -2 -5 -4
6 9 7 8