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auberonedu
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Jan 3, 2025
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Nice job! See comments below.
| public static void main(String[] args) { | ||
| // Create an empty ArrayList of Strings and assign it to a variable of type List | ||
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| ArrayList arraylist = new ArrayList(); |
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Here and in the other Collections exercises remember to use interface types and generics, e.g.
List<String> myList = new ArrayList<>();
auberonedu
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Jan 3, 2025
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| StringBuilder newString = new StringBuilder(); | ||
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| for (Object word : newAList) { | ||
| newString.append(word); | ||
| } |
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This is better than naive string concatenation, but can you find a method that lets you do it without any loop?
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