Java/arraylist1.java at main · adityaparihar7/Java · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
import java.util.ArrayList;
import java.util.Collections;

public class arraylist1 {
    public static void main(String[] args) {
        ArrayList<Integer> list = new ArrayList<>();

        // add elements
        list.add(10);
        list.add(20);
        list.add(40);
        list.add(30);

        System.out.println(list);


        // //get element
        // int element=list.get(2);
        // System.out.println(element);


        // //add element in between
        // list.add(2,5);
        // System.out.println(list);

        // //set element
        // list.set(1, 5);
        // System.out.println(list);


        // //delete element
        // list.remove(1);
        // System.out.println(list);

        //iterate for elements
        for (int i = 0; i < list.size(); i++) {
            System.out.println(list.get(i));


        }
        Collections.sort(list);
        System.out.println(list);
    }


}