Java 从数组中删除重复项

示例

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class Main {
  public static void main(String[] args) {
    Integer[] numbers = {1, 2, 2, 3, 4, 4, 5};
    Set<Integer> unique = new HashSet<>(Arrays.asList(numbers));

    System.out.println(unique);
  }
}

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