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fix: ignore invalid index while get a enum value by index

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This commit is contained in:
easepan 2020-08-27 15:27:37 +08:00
parent b49fc75f48
commit 370f24ae3d
1 changed files with 1 additions and 1 deletions
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2
hutool-core/src/main/java/cn/hutool/core/util/EnumUtil.java
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@ -61,7 +61,7 @@ public class EnumUtil {
*/ */
public static <E extends Enum<E>> E getEnumAt(Class<E> enumClass, int index) { public static <E extends Enum<E>> E getEnumAt(Class<E> enumClass, int index) {
final E[] enumConstants = enumClass.getEnumConstants(); final E[] enumConstants = enumClass.getEnumConstants();
return index < enumConstants.length ? enumConstants[index] : null; return index >= 0 && index < enumConstants.length ? enumConstants[index] : null;
} }
/** /**