,-----------------. 
                         |List             | 
         ,----------.    |-----------------| 
         |Collection|    |List with members| 
         |----------|--- |String foo()     | 
         `----------'    |String bar()     | 
                         `-----------------' 
                                             
                                             
     ,------------------.                    
     |AbstractCollection|                    
     |------------------|  ,------------.    
     |-field1           |  |AbstractList|    
     |#field2           |--|------------|    
     |~method1()        |  `------------'    
     |+method2()        |         |          
     `------------------'         |          
                                  |          
,-------------------.             |          
|User               |             |          
|-------------------|             |          
|.. Simple Getter ..|             |          
|+ getName()        |  ,--------------------.
|+ getAddress()     |  |ArrayList           |
|.. Some setter ..  |  |--------------------|
|+ setName()        |--|Object[] elementData|
|__ private data __ |  |size()              |
|int age            |  `--------------------'
|-- encrypted --    |                        
|String password    |                        
`-------------------'