How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterating it?...
Summary ArrayList with ArrayDeque are preferable in many more use-cases than LinkedList. If you’re not sure — just start with ArrayList. TLDR, in ArrayList ...
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April 8, 2022
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Either: Foo array = list.toArray(new Foo[0]); or: Foo array = new Foo[list.size()]; list.toArray(array); // fill the array Note that this works only for ...
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April 8, 2022
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Actually, probably the “best” way to initialize the ArrayList is the method you wrote, as it does not need to create a new ...
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April 8, 2022
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Two options: Create a list of values you wish to remove, adding to that list within the loop, then call originalList.removeAll(valuesToRemove) at the ...
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April 8, 2022
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How to sort an ArrayList?
What’s the C++ version of Java’s ArrayList
Create ArrayList from array
“Exception in thread “main” java.lang.IndexOutOfBoundsException: Index: 0, Size: 0″ with ArrayList?
Java 8 introduces a String.join(separator, list) method; see Vitalii Federenko’s answer. Before Java 8, using a loop to iterate over the ArrayList was the only option: DO NOT ...
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April 8, 2022
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