CodeGym /Courses /Java Collections /Tasks | Level 5 | Lesson 8

Tasks | Level 5 | Lesson 8

Java Collections
Level 5 , Lesson 8
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16
Task
Java Collections, level 5, lesson 8
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List to Map
List to Map
16
Task
Java Collections, level 5, lesson 8
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Wildcards
Wildcards
16
Task
Java Collections, level 5, lesson 8
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Entry prohibited!
Entry prohibited!
8
Task
Java Collections, level 5, lesson 8
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Object generator
Object generator
Comments (6)
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Hoist Level 16, San Diego, United States
1 September 2024
Help the cats protect their home from strangers, and also prevent them from accidentally entering the dogs' house.
Hoist Level 16, San Diego, United States
1 September 2024
Output [com.codegym.task.task35.task3506.Solution$C@2893de87, com.codegym.task.task35.task3506.Solution$B@55ca8de8] [com.codegym.task.task35.task3506.Solution$C@2893de87]
Hoist Level 16, San Diego, United States
23 August 2024
Output {234=ConvertibleUser{id=234, name='First User'}, 235=ConvertibleUser{id=235, name='Second User'}, 236=ConvertibleUser{id=236, name='Third User'}} {First Book=ConvertibleBook{name='First Book'}, Second Book=ConvertibleBook{name='Second Book'}, Third Book=ConvertibleBook{name='Third Book'}}
MaGaby2280 Level 41, Guatemala City, Guatemala
2 July 2021
For the last task, keep in mind that the "newInstance()" it requires to pass verification has been deprecated since Java9
Csaba Gódor Level 36, Budapest, Hungary
21 January 2022
"getDeclaredConstructor().newInstance()" and no needs for StackOverflow :)
Senned Level 41, Azov, Russia
17 December 2019
For last task read next lecture first.