diff --git a/src/de/steamwar/command/CommandPart.java b/src/de/steamwar/command/CommandPart.java
index bb39119..dc8c6a9 100644
--- a/src/de/steamwar/command/CommandPart.java
+++ b/src/de/steamwar/command/CommandPart.java
@@ -65,7 +65,9 @@ class CommandPart<T> {
         this.parameter = parameter;
         this.parameterIndex = parameterIndex;
 
-        validatePart();
+        if (optional != null && varArgType != null) {
+            throw new IllegalArgumentException("A vararg part can't have an optional part! In method " + parameter.getDeclaringExecutable() + " with parameter " + parameterIndex);
+        }
     }
 
     void addValidator(AbstractValidator<T, Object> validator) {
@@ -80,28 +82,18 @@ class CommandPart<T> {
         this.next = next;
     }
 
-    private void validatePart() {
-        if (optional != null && varArgType != null) {
-            throw new IllegalArgumentException("A vararg part can't have an optional part! In method " + parameter.getDeclaringExecutable() + " with parameter " + parameterIndex);
-        }
-    }
-
     public void generateArgumentArray(Consumer<Runnable> errors, List<Object> current, T sender, String[] args, int startIndex) {
         if (varArgType != null) {
             Object array = Array.newInstance(varArgType, args.length - startIndex);
             for (int i = startIndex; i < args.length; i++) {
                 CheckArgumentResult validArgument = checkArgument(null, sender, args, i);
-                if (!validArgument.success) {
-                    throw new CommandParseException();
-                }
+                if (!validArgument.success) throw new CommandParseException();
                 Array.set(array, i - startIndex, validArgument.value);
             }
             for (AbstractValidator<T, Object> validator : validators) {
                 if (!validator.validate(sender, array, (s, objects) -> {
                     errors.accept(() -> command.sendMessage(sender, s, objects));
-                })) {
-                    throw new CommandParseException();
-                }
+                })) throw new CommandParseException();
             }
             current.add(array);
             return;
@@ -137,11 +129,8 @@ class CommandPart<T> {
     public void generateTabComplete(List<String> current, T sender, String[] args, int startIndex) {
         if (varArgType != null) {
             for (int i = startIndex; i < args.length - 1; i++) {
-                CheckArgumentResult validArgument = checkArgument((ignore) -> {
-                }, sender, args, i);
-                if (!validArgument.success) {
-                    return;
-                }
+                CheckArgumentResult validArgument = checkArgument((ignore) -> {}, sender, args, i);
+                if (!validArgument.success) return;
             }
             Collection<String> strings = tabCompletes(sender, args, args.length - 1);
             if (strings != null) {
@@ -151,8 +140,7 @@ class CommandPart<T> {
         }
 
         if (args.length - 1 > startIndex) {
-            CheckArgumentResult checkArgumentResult = checkArgument((ignore) -> {
-            }, sender, args, startIndex);
+            CheckArgumentResult checkArgumentResult = checkArgument((ignore) -> {}, sender, args, startIndex);
             if (checkArgumentResult.success && next != null) {
                 next.generateTabComplete(current, sender, args, startIndex + 1);
                 return;
diff --git a/src/de/steamwar/command/SubCommand.java b/src/de/steamwar/command/SubCommand.java
index 0e75d7b..9084fe7 100644
--- a/src/de/steamwar/command/SubCommand.java
+++ b/src/de/steamwar/command/SubCommand.java
@@ -110,12 +110,8 @@ public class SubCommand<T> {
     }
 
     List<String> tabComplete(T sender, String[] args) {
-        if (validator != null) {
-            if (!validator.validate(sender, sender, (s, objects) -> {
-                // ignore
-            })) {
-                return null;
-            }
+        if (validator != null && !validator.validate(sender, sender, (s, objects) -> {})) {
+            return null;
         }
         if (commandPart == null) {
             return null;
@@ -180,55 +176,38 @@ public class SubCommand<T> {
 
     private static final AbstractValidator<?, Object> STRING_SPACE_FILTER = (sender, value, messageSender) -> {
         if (!(value instanceof String)) return true;
-        String s = (String) value;
-        return !s.contains(" ");
+        return !((String) value).contains(" ");
     };
 
     private static AbstractValidator<?, Object> createMinValidator(Class<?> clazz, AbstractSWCommand.Min min) {
         Function<Number, Number> comparator;
         if (clazz == int.class || clazz == Integer.class) {
-            int minValue = min.intValue();
-            comparator = number -> Integer.compare(number.intValue(), minValue);
+            comparator = number -> Integer.compare(number.intValue(), min.intValue());
         } else if (clazz == long.class || clazz == Long.class) {
-            long minValue = min.longValue();
-            comparator = number -> Long.compare(number.longValue(), minValue);
+            comparator = number -> Long.compare(number.longValue(), min.longValue());
         } else if (clazz == float.class || clazz == Float.class) {
-            float minValue = min.floatValue();
-            comparator = number -> Float.compare(number.floatValue(), minValue);
+            comparator = number -> Float.compare(number.floatValue(), min.floatValue());
         } else if (clazz == double.class || clazz == Double.class) {
-            double minValue = min.doubleValue();
-            comparator = number -> Double.compare(number.doubleValue(), minValue);
+            comparator = number -> Double.compare(number.doubleValue(), min.doubleValue());
         } else {
             throw new IllegalArgumentException("Min annotation is not supported for " + clazz);
         }
-        if (min.inclusive()) {
-            return (sender, value, messageSender) -> comparator.apply((Number) value).intValue() >= 0;
-        } else {
-            return (sender, value, messageSender) -> comparator.apply((Number) value).intValue() > 0;
-        }
+        return (sender, value, messageSender) -> comparator.apply((Number) value).intValue() >= (min.inclusive() ? 0 : 1);
     }
 
     private static AbstractValidator<?, Object> createMaxValidator(Class<?> clazz, AbstractSWCommand.Max max) {
         Function<Number, Number> comparator;
         if (clazz == int.class || clazz == Integer.class) {
-            int minValue = max.intValue();
-            comparator = number -> Integer.compare(number.intValue(), minValue);
+            comparator = number -> Integer.compare(number.intValue(), max.intValue());
         } else if (clazz == long.class || clazz == Long.class) {
-            long minValue = max.longValue();
-            comparator = number -> Long.compare(number.longValue(), minValue);
+            comparator = number -> Long.compare(number.longValue(), max.longValue());
         } else if (clazz == float.class || clazz == Float.class) {
-            float minValue = max.floatValue();
-            comparator = number -> Float.compare(number.floatValue(), minValue);
+            comparator = number -> Float.compare(number.floatValue(), max.floatValue());
         } else if (clazz == double.class || clazz == Double.class) {
-            double minValue = max.doubleValue();
-            comparator = number -> Double.compare(number.doubleValue(), minValue);
+            comparator = number -> Double.compare(number.doubleValue(), max.doubleValue());
         } else {
             throw new IllegalArgumentException("Max annotation is not supported for " + clazz);
         }
-        if (max.inclusive()) {
-            return (sender, value, messageSender) -> comparator.apply((Number) value).intValue() <= 0;
-        } else {
-            return (sender, value, messageSender) -> comparator.apply((Number) value).intValue() < 0;
-        }
+        return (sender, value, messageSender) -> comparator.apply((Number) value).intValue() <= (max.inclusive() ? 0 : -1);
     }
 }