Skip to content

De-rusting Java PR - Jaron#26

Open
Jaronie wants to merge 63 commits intogrc-cohort-22:mainfrom
Jaronie:main
Open

De-rusting Java PR - Jaron#26
Jaronie wants to merge 63 commits intogrc-cohort-22:mainfrom
Jaronie:main

Conversation

@Jaronie
Copy link
Copy Markdown

@Jaronie Jaronie commented Mar 21, 2026

No description provided.

Jaronie added 30 commits March 20, 2026 21:42
@Jaronie
Importing Arrays
d066397
@Jaronie
Added 4 elements into the array with different String variables
36ad3d5
@Jaronie
Variable storing index 2 value
26785c9
@Jaronie
Length of array stored in int variable
61e3415
@Jaronie
For loop printing each array item
4a3a230
@Jaronie
For each loop printing out each array item
1da1ee2
@Jaronie
Importing Java List
ca667e0
@Jaronie
Empty ArrayList created, also import changed to ArrayList
c2e94ba
@Jaronie
3 elements added to list
6238682
@Jaronie
Printing index 1 of ArrayList
ff618b9
@Jaronie
Using set() to replace an index value
a4996de
@Jaronie
using add() to a value to index 0, extending the arraylist length
6373342
@Jaronie
Checking if a certain string exists within the list
ed47094
@Jaronie
Iterating using traditional loop, printing values and indexes on sepa…
d35d850 
…rate lines.
@Jaronie
importing collections
b16bbfd
@Jaronie
Sorting the list
1140921
@Jaronie
Using a for-each loop to iterate the list
f58513c
@Jaronie
HashMap imported
66b57ae
@Jaronie
Created HashMap
224868d
@Jaronie
Type variable changed to Map
1bb096b
@Jaronie
Import Map util
a9cb21a
@Jaronie
Added 3 key pairs in the map
033b763
@Jaronie
Stored key value into a variable
1d9343f
@Jaronie
map size stored into a variable
0e9d90d
@Jaronie
Replaced second key value
e6c3c50
@Jaronie
Checking if the map contains a given key
e57f1a9
@Jaronie
Checking if map contains a given value
ad0b875
@Jaronie
Using keySet() to iterate through keys with a for each loop.
98666e0
@Jaronie
Using values() to grab values of map, and storing them in type Intege…
49522bb 
…r value
@Jaronie
Iterating each entry using Map.Entry type variable for the map, and p…
95be99a 
…rinting them.
Jaronie added 30 commits March 20, 2026 22:39
@Jaronie
if/else statement checking for an even number.
7ec4530
@Jaronie
Using integer division to divide a number.
ac15cc7
@Jaronie
Printing the result of integer division
ab5a884
@Jaronie
Public and private instance variables made in Person
f80a42f
@Jaronie
Created a person constructer with String name, and int age parameters.
2ba46ba
@Jaronie
toString() method created
332a7ab
@Jaronie
Instance method birthYear created
5bd897e
@Jaronie
Instance of person object created
3fa407f
@Jaronie
New instance of Person object
37d44fa
@Jaronie
Printing person1 object
381f767
@Jaronie
Printing person2 object
5a92f41
@Jaronie
Storing person1 name into a variable
13feabb
@Jaronie
Storing person1 birthYear into a variable
6753be1
@Jaronie
Printing person1 birthYear
8c21edf
@Jaronie
Import java util HashSet
cbe000e
@Jaronie
HashSet variable made
6be387e
@Jaronie
MySert -> MySet. Also, added 3 elements to set.
4e6b317
@Jaronie
Boolean checking if a String value exists in set.
1d125c2
@Jaronie
removing value from set
6f28f11
@Jaronie
Iterating over each element, printed on a separate line.
7f99e89
@Jaronie
String variable made
780ba2e
@Jaronie
New string made from concatenation
2a05c76
@Jaronie
char variable finding what character is at index 3
3686d27
@Jaronie
Checking if string contains a substring
e6e018b
@Jaronie
Iterating through string to print each character
f5a419d
@Jaronie
Importing ArrayList
5913ef7
@Jaronie
New ArrayList variable
68d84c0
@Jaronie
Multiple string elements added to list
08ed005
@Jaronie
Using join() to join entire arrayList into one string separated by co…
e84eebd 
…mmas
@Jaronie
Using .equals() and a boolean to check if two strings are equal
c328d96
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

No reviews

Assignees

No one assigned

Labels

None yet

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

1 participant

@Jaronie