chore: 优化 Nullability Annotations 使用

plusone-commons/src/main/java/xyz/zhouxy/plusone/commons/util/ArrayTools.java

@@ -261,7 +261,7 @@ public class ArrayTools {
      *
      * @throws IllegalArgumentException 当参数为空时抛出
      */
-    public static <T> boolean isAllElementsNotNull(final T[] arr) {
+    public static <T> boolean isAllElementsNotNull(@Nullable final T[] arr) {
         checkArgument(arr != null, "The array cannot be null.");
         return Arrays.stream(arr).allMatch(Objects::nonNull);
     }

plusone-commons/src/main/java/xyz/zhouxy/plusone/commons/util/RegexTools.java

@@ -46,7 +46,7 @@ public final class RegexTools {
             .maximumSize(MAX_CACHE_SIZE)
             .build(new CacheLoader<RegexAndFlags, Pattern>() {
                 @SuppressWarnings("null")
-                public Pattern load(@Nonnull RegexAndFlags regexAndFlags) {
+                public Pattern load(RegexAndFlags regexAndFlags) {
                     return regexAndFlags.compilePattern();
                 }
             });