import java.util.List;
import java.util.Arrays;

public class TestArrays{
    public static void main(String[] args) {
        Integer[] a = {3,25,12,79,48};
        System.out.println(a);
        System.out.println(Arrays.toString(a));
        Arrays.sort(a);
        System.out.println(Arrays.toString(a));
        int idx = Arrays.binarySearch(a,25);
        System.out.println(idx);
        
        List list = Arrays.asList(3,4,5);
        System.out.println(list);
        list.set(2,66);
        System.out.println(Arrays.toString(a));
    }
}