diff --git a/src/main/java/org/apache/commons/lang3/ArrayUtils.java b/src/main/java/org/apache/commons/lang3/ArrayUtils.java
index fc3eb4c3c..5aaeb17ff 100644
--- a/src/main/java/org/apache/commons/lang3/ArrayUtils.java
+++ b/src/main/java/org/apache/commons/lang3/ArrayUtils.java
@@ -8364,7 +8364,7 @@ public static boolean[] insert(final int index, final boolean[] array, final boo
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8406,7 +8406,7 @@ public static byte[] insert(final int index, final byte[] array, final byte... v
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8448,7 +8448,7 @@ public static char[] insert(final int index, final char[] array, final char... v
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8490,7 +8490,7 @@ public static double[] insert(final int index, final double[] array, final doubl
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8532,7 +8532,7 @@ public static float[] insert(final int index, final float[] array, final float..
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8574,7 +8574,7 @@ public static int[] insert(final int index, final int[] array, final int... valu
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8616,7 +8616,7 @@ public static long[] insert(final int index, final long[] array, final long... v
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8658,7 +8658,7 @@ public static short[] insert(final int index, final short[] array, final short..
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
@@ -8710,7 +8710,7 @@ public static <T> T[] insert(final int index, final T[] array, final T... values
         if (array == null) {
             return null;
         }
-        if (values == null || values.length == 0) {
+        if (ArrayUtils.isEmpty(values)) {
             return clone(array);
         }
         if (index < 0 || index > array.length) {
diff --git a/src/main/java/org/apache/commons/lang3/text/StrBuilder.java b/src/main/java/org/apache/commons/lang3/text/StrBuilder.java
index 262a9d772..435458802 100644
--- a/src/main/java/org/apache/commons/lang3/text/StrBuilder.java
+++ b/src/main/java/org/apache/commons/lang3/text/StrBuilder.java
@@ -1198,7 +1198,7 @@ public <T> StrBuilder appendAll(@SuppressWarnings("unchecked") final T... array)
          * is fine, because it isn't inherited by subclasses, so each subclass must
          * vouch for itself whether its use of 'array' is safe.
          */
-        if (array != null && array.length > 0) {
+        if (ArrayUtils.isNotEmpty(array)) {
             for (final Object element : array) {
                 append(element);
             }