Here is the solution for this taks, mate:
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
public class Pr_7_RandomizeNumbersFromNToM {
public static void main(String[] args) {
Scanner console = new Scanner(System.in);
int n = console.nextInt();
int m = console.nextInt();
int maxNumber = 0;
int minNumber = 0;
if (n > m) {
maxNumber = n;
minNumber = m;
} else if (n < m) {
maxNumber = m;
minNumber = n;
} else {
System.out.println(n);
}
List<Integer> numbers = new ArrayList<>();
for (int i = minNumber; i <= maxNumber; i++) {
numbers.add(i);
Collections.shuffle(numbers);
}
for (int item : numbers) {
System.out.println(item);
}
}
}