The following is a challenge for new developers that have completed:
Intermediate Java Tutorial - 4&5 -Collections & arrayLists by theNewBoston
Legendary Challenge:
Difficulty:★ ★ 1/2
Legendary Challenges consist of only a very broad description of the challenge making them a little harder.The end results should still be the same as the regular challenge.
CHALLENGE
Difficulty:★
1. Create a String array named "things" containing the strings "eggs", "lasers","hats" and "pie"
2. Create a new ArrayList named "list1"3. Create a For loop that adds the items from the array "things" to "list1"
4. Create a String array named "things2" containing only the strings "lasers" & "hats"
5. Create a new ArrayList named "list2"
6. Create a For loop that adds the items from the array "things2" to "list2" 7.Print all the strings in list1 one using a for loop
End of Tut 4/Start of Tut 5
8.Create a method a called editList that uses two collection parameters and names them "A1" and "A2"
(to make it less confusing just remember that in a later step we will call the editList method and use "list1" & "list2" as parameters)
9. Inside the editList method loop through each string in "A1" and make sure none of the strings are the same as any of the strings in "A2"
10.If any of the strings from "A1" do match any of the strings from "A2" delete the string from "A1"
11.Call the editList method using "list1" & "list2" as parameters
12.Print a blank line
13.Print each of the strings in list1 using a for loop
Note: Please keep in mind this blog is a work in progress and ive learned quickly that teaching is alot harder than just following along . If something is explained poorly or you have a suggestion to reword a step please leave a comment below so we can make this the best resource possible for up and coming developers.
View the video tutorial: http://youtu.be/jU5ACV5MucM
Text walk-through of this tutorial: Coming Soon!!!
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