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import java.util.Arrays;
import java.util.Collections;

public class Main {
    public static void main(String[] args) {
        Integer[] numbers = { 8, 2, 7, 1, 4, 9, 5};
        int min = (int) Collections.min(Arrays.asList(numbers));
        int max = (int) Collections.max(Arrays.asList(numbers));
        System.out.println("Minimum value: " + min);
        System.out.println("Maximum value: " + max);
    }
}

Minimum value: 1
Maximum value: 9