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How to store different types of objects in ArrayList

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暗喜
暗喜 2021-01-25 22:20

I need to store different objects in the ArrayList. Objects are similar in nature but different and have different methods. 

Circle c = new Circle();  
Cube s =
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  • 不要未来只要你来
    不要未来只要你来 (楼主)
    2021-01-25 23:12 

    List list = new ArrayList<>();

list.add(new ArrayList<>());
list.add(Integer.valueOf("24"));
list.add(Long.valueOf("25"));
list.add("STRING");
list.add(new Object());

System.out.println(Arrays.toString(list.toArray()));
//Console print: " [[], 24, 25, STRING, java.lang.Object@4554617c] "



    You may store any object type.
    
    
    
             
    
                                                        
    
            
            
    
              
                
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