import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ArrayUtil;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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public class TableTest {
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public static void main(String[] args) {
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List<String> list=new ArrayList<>();
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list.add("1");
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list.add("1");
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list.add("2");
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list=list.stream().distinct().collect(Collectors.toList());
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for (String s : list) {
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System.out.println(s);
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}
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}
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}
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