import java.util.Arrays;

public class AlatArray {
    public static void main(String[] args) {
        int[] data = {5, 2, 9, 1, 7};

        System.out.println("Sebelum sort : " + Arrays.toString(data));

        Arrays.sort(data);
        System.out.println("Setelah sort : " + Arrays.toString(data));

        int posisi7 = Arrays.binarySearch(data, 7);
        int posisi4 = Arrays.binarySearch(data, 4);
        System.out.println("binarySearch(7): " + posisi7);
        System.out.println("binarySearch(4): " + posisi4);

        int[] pola = new int[4];
        Arrays.fill(pola, 8);
        System.out.println("fill(8)      : " + Arrays.toString(pola));
    }
}