Question

How to use static ArrayList in Java

Answer 1

import java.util.*; 
   
public class MyClass {
    static ArrayList<Integer> al = new ArrayList<>();

    static void addItems() {
        al.add(10);
        al.add(20);
    }
    
    public static void main(String args[]) {
        al.add(4);
        al.add(7);
        al.add(8);

        addItems();

        for (Integer n : al) {
            System.out.println(n);
        }
    }
}



/*
run:

4
7
8
10
20

*/

 

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