import java.util.Random;
public class Mass {
    public static void main(String[] args) {
        Random rand = new Random();
        int mass[][]=new int[3][3];
        for(int i=0;i<mass.length;i++){
            for(int j=0;j<mass.length;j++){
                mass[i][j]=rand.nextInt(20);
            }
        }
        for (int[] a : mass) {
            for (int b : a) {
                System.out.print(b + " ");
            }
            System.out.println();
        }
        System.out.print("------------------------------");
        System.out.println();
        int min=mass[1][1];
        int max=min;
        for (int i = 2, j=0; j < mass.length; j++) {
                if(min>mass[i][j]){
                    min = mass[i][j];
                }
                else if(max<mass[i][j]){
                    max = mass[i][j];
                }
        }
        System.out.println(min + " min_value");
        System.out.println(max + " max_value");
    }
}