diff --git a/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java index 068e8ddda..a5f8b34fc 100755 --- a/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java +++ b/hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java @@ -13,16 +13,7 @@ import cn.hutool.core.text.StrUtil; import java.lang.reflect.Array; import java.nio.ByteBuffer; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collections; -import java.util.Comparator; -import java.util.Iterator; -import java.util.LinkedHashSet; -import java.util.List; -import java.util.Map; -import java.util.Random; -import java.util.Set; +import java.util.*; import java.util.function.Function; import java.util.function.Predicate; import java.util.function.UnaryOperator; @@ -2088,4 +2079,23 @@ public class ArrayUtil extends PrimitiveArrayUtil { return true; } + + /** + * 判断数组中是否有相同元素 + *

若传入空数组,则返回{@code false}

+ * @param 数组元素类型 + * @param array 数组 + * @return 数组是否有相同元素 + * @since 6.0.0 + */ + public static Boolean hasSameElement(final T[] array) { + if (isEmpty(array)) { + return false; + } + Set elementSet = new HashSet<>(); + for (T element : array) { + elementSet.add(element); + } + return !(elementSet.size() == array.length); + } }