diff --git a/src/main/java/org/apache/commons/crypto/cipher/CryptoCipherFactory.java b/src/main/java/org/apache/commons/crypto/cipher/CryptoCipherFactory.java
index b20313d58..95727f298 100644
--- a/src/main/java/org/apache/commons/crypto/cipher/CryptoCipherFactory.java
+++ b/src/main/java/org/apache/commons/crypto/cipher/CryptoCipherFactory.java
@@ -148,7 +148,7 @@ public static CryptoCipher getCryptoCipher(final String transformation, final Pr
         throws GeneralSecurityException {
 
         final List<String> names = Utils.splitClassNames(getCipherClassString(properties), ",");
-        if (names.size() == 0) {
+        if (names.isEmpty()) {
             throw new IllegalArgumentException("No classname(s) provided");
         }
         CryptoCipher cipher = null;
diff --git a/src/main/java/org/apache/commons/crypto/random/CryptoRandomFactory.java b/src/main/java/org/apache/commons/crypto/random/CryptoRandomFactory.java
index 29d4e237f..50b28767a 100644
--- a/src/main/java/org/apache/commons/crypto/random/CryptoRandomFactory.java
+++ b/src/main/java/org/apache/commons/crypto/random/CryptoRandomFactory.java
@@ -186,7 +186,7 @@ public static CryptoRandom getCryptoRandom() throws GeneralSecurityException {
     public static CryptoRandom getCryptoRandom(final Properties props)
             throws GeneralSecurityException {
         final List<String> names = Utils.splitClassNames(getRandomClassString(props), ",");
-        if (names.size() == 0) {
+        if (names.isEmpty()) {
             throw new IllegalArgumentException("No class name(s) provided");
         }
         final StringBuilder errorMessage = new StringBuilder();