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提供java常用的、流行的工具方法,减少项目冗余代码

There is a newer version: 0.3

package com.seejoke.core.utils;

import java.util.HashSet;

/**
 * string常用工具类
 *
 * @author yangzhongying
 * @version 1.0
 **/
public class StringUtils extends org.apache.commons.lang3.StringUtils {

    public static String[] distinct(String[] arr) {
        if (arr == null || arr.length == 0) {
            return arr;
        }
        HashSet set = new HashSet<>();
        for (String str : arr) {
            set.add(str);
        }
        return set.toArray(new String[0]);
    }
}