Open
Conversation
auberonedu
reviewed
Jan 8, 2025
| public static void main(String[] args) { | ||
| // Create an empty ArrayList of Strings and assign it to a variable of type List | ||
|
|
||
| ArrayList<String> stringList = new ArrayList<>(); |
Owner
There was a problem hiding this comment.
Remember to use interface types (List)
auberonedu
reviewed
Jan 10, 2025
Owner
auberonedu
left a comment
auberonedu
left a comment
There was a problem hiding this comment.
Nice job! See comments below
| // Create a HashMap with String keys and Integer values and | ||
| // assign it to a variable of type Map | ||
|
|
||
| HashMap<String, Integer> stringMap = new HashMap<>(); |
Owner
There was a problem hiding this comment.
Remember to use interface types (Map)
Comment on lines
+28
to
+32
| System.out.println("The Keys of the Map are: " + stringMap.keySet()); | ||
| // Iterate over the values of the map, printing each value | ||
|
|
||
| System.out.println("The Values within the Map are: " + stringMap.values()); | ||
| // Iterate over the entries in the map, printing each key and value | ||
|
|
||
| System.out.println("The Key-Value Pairs are: " + stringMap.entrySet()); |
Owner
There was a problem hiding this comment.
Make sure to practice doing a loop over these sets.
Comment on lines
+9
to
+10
| String publicName; | ||
| private int privAge; |
Owner
There was a problem hiding this comment.
You need to put public before public variables and methods, otherwise they get package visibility by default.
Comment on lines
+39
to
+41
| int birthYear = currentYear - privAge; | ||
|
|
||
| return birthYear; |
Owner
There was a problem hiding this comment.
Consider simplifying this to a single line
| public static void main(String[] args) { | ||
| // Create a HashSet of Strings and assign it to a variable of type Set | ||
|
|
||
| HashSet<String> stringSet = new HashSet<>(); |
Owner
There was a problem hiding this comment.
Remember to use interface types (Set)
| } | ||
| // Create an ArrayList of Strings and assign it to a variable | ||
|
|
||
| ArrayList<String> stringList = new ArrayList<>(); |
Owner
There was a problem hiding this comment.
Remember to use interface types (List)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
I am hoping to finish the rest of the assignment sometime tomorrow. Hopefully before class