diff --git a/src/main/java/com/github/zrdj/java/primitives/codec/hex/HexCodec.java b/src/main/java/com/github/zrdj/java/primitives/codec/hex/HexCodec.java
index c89c9de..e00d375 100644
--- a/src/main/java/com/github/zrdj/java/primitives/codec/hex/HexCodec.java
+++ b/src/main/java/com/github/zrdj/java/primitives/codec/hex/HexCodec.java
@@ -3,7 +3,7 @@
 import com.github.zrdj.java.primitives.codec.Codec;
 
 public final class HexCodec implements Codec {
-    private final String _hexCharacters = "0123456789abcdef";
+    private static final String _hexCharacters = "0123456789abcdef";
 
     private StringBuilder internalEncode(final byte[] bytes) {
         StringBuilder result = new StringBuilder(2 * bytes.length);
diff --git a/src/main/java/com/github/zrdj/java/primitives/exception/Exceptions.java b/src/main/java/com/github/zrdj/java/primitives/exception/Exceptions.java
index 738f5fd..e41f1ca 100644
--- a/src/main/java/com/github/zrdj/java/primitives/exception/Exceptions.java
+++ b/src/main/java/com/github/zrdj/java/primitives/exception/Exceptions.java
@@ -16,14 +16,14 @@ static <T> T rethrowFunction(final ExceptionFunction<T> function, final Function
     }
 
     static <T> FunctionExceptionHandler<T> rethrowingFunction(final Function<Exception, RuntimeException> mapper) {
-        return new RethrowingExceptionHandler<T>(mapper);
+        return new RethrowingExceptionHandler<>(mapper);
     }
 
     static <T> T fallbackFunction(final ExceptionFunction<T> function, final Function<Exception, T> mapper) {
-        return new SwallowingFunctionExceptionHandler<T>(mapper).execute(function);
+        return new SwallowingFunctionExceptionHandler<>(mapper).execute(function);
     }
 
     static <T> FunctionExceptionHandler<T> fallbackingFunction(final Function<Exception, T> mapper) {
-        return new SwallowingFunctionExceptionHandler<T>(mapper);
+        return new SwallowingFunctionExceptionHandler<>(mapper);
     }
 }
diff --git a/src/main/java/com/github/zrdj/java/primitives/text/AbstractText.java b/src/main/java/com/github/zrdj/java/primitives/text/AbstractText.java
index 07d5498..b78beb8 100644
--- a/src/main/java/com/github/zrdj/java/primitives/text/AbstractText.java
+++ b/src/main/java/com/github/zrdj/java/primitives/text/AbstractText.java
@@ -38,7 +38,7 @@ public Text findFirst(final String regex) {
     }
 
     @Override
-    abstract public int hashCode();
+    public abstract int hashCode();
 
-    abstract protected boolean isEqualTo(final String other);
+    protected abstract boolean isEqualTo(final String other);
 }