java list swap 2 elements
String a = words.get(0);
words.set(0, words.get(words.size() - 1));
words.set(words.size() - 1, a)java list swap 2 elements
String a = words.get(0);
words.set(0, words.get(words.size() - 1));
words.set(words.size() - 1, a)Copyright © 2021 Codeinu
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