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  1.  import java.util.ArrayList;
  2. import java.util.Date;
  3.  
  4. public class Main {
  5.     public static void main(String[] args) {
  6.         ArrayList<Object> arr_list = new ArrayList<Object>();
  7.         arr_list.add(new Loan(5000.50));
  8.         arr_list.add(new Date());
  9.         arr_list.add("String class");  // No need for 'new String()'
  10.         arr_list.add(new Circle(3.45));
  11.  
  12.         for (Object obj : arr_list) {
  13.             System.out.println(obj.toString());
  14.         }
  15.     }
  16. }
  17.  
  18. class Circle {
  19.     double radius;
  20.  
  21.     Circle(double r) {
  22.         this.radius = r;
  23.     }
  24.  
  25.     public String toString() {
  26.         return "Circle with Radius " + this.radius;
  27.     }
  28. }
  29.  
  30. class Loan {
  31.     double amount;
  32.  
  33.     Loan(double amt) {
  34.         this.amount = amt;
  35.     }
  36.  
  37.     public String toString() {
  38.         return "Loan with Amount " + this.amount;
  39.     }
  40. }
  41.  
Success #stdin #stdout 0.18s 58968KB
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Loan with Amount 5000.5
Sun Apr 13 04:28:41 GMT 2025
String class
Circle with Radius 3.45
https://ideone.com/AVGuxA
language:
Java (HotSpot 12)
created:
6 days ago
visibility:
public

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