Deleting Duplicate Element Using HashSet
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import java.util.*;
public class Main {
public static void main(String args[]){
String[] fav = {"red","red","apple", "apple", "hallo"};
Set<String> mySet = new HashSet<String>();
Collections.addAll(mySet,fav);
System.out.println(mySet);
}
}
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result / 결과
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[red, apple, hallo]
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