Question

How to use ArrayList of objects in Java

Answer 1

import java.util.ArrayList;

class Worker {
    public int age;
    public String name;

    public Worker(int age, String name) {
        this.age = age;
        this.name = name;
    }

    public String toString() {
        return "age = " + this.age + ", name = " + this.name;
    }
}

public class Program {
    public static void main(String[] args) {
        ArrayList<Worker> al = new ArrayList<>();
        
        al.add(new Worker(43, "Tom"));
        al.add(new Worker(51, "Amelia"));        
        al.add(new Worker(39, "Emma"));

        for (Worker w : al) {
            System.out.println(w);
        }
    }
}




/*
run:

age = 43, name = Tom
age = 51, name = Amelia
age = 39, name = Emma

*/

 

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