Fix up some minor code-quality things

2 files changed, 8 insertions, 6 deletions

diff --git a/src/main/java/au/id/zancanaro/javacheck/ShrinkTree.java b/src/main/java/au/id/zancanaro/javacheck/ShrinkTree.java
index ddef800..9c51a7e 100644
--- a/src/main/java/au/id/zancanaro/javacheck/ShrinkTree.java
+++ b/src/main/java/au/id/zancanaro/javacheck/ShrinkTree.java
@@ -56,20 +56,22 @@ public class ShrinkTree<T> {
     public static <T> Stream<ShrinkTree<T>[]> promoteChildren(ShrinkTree<? super T>[] trees) {
         return IntStream.range(0, trees.length)
                 .mapToObj(index -> trees[index].getChildren().map(child ->
-                        (ShrinkTree<T>[]) IntStream.range(0, trees.length)
+                        IntStream.range(0, trees.length)
                                 .mapToObj(i -> (i == index ? child : trees[i]))
-                                .toArray(ShrinkTree[]::new)))
-                .flatMap(x -> x);
+                                .toArray(ShrinkTree<?>[]::new)))
+                .flatMap(x -> x)
+                .map(x -> (ShrinkTree<T>[]) x);
     }
 
     @SuppressWarnings("unchecked")
     public static <T> Stream<ShrinkTree<T>[]> removeChildren(ShrinkTree<? super T>[] trees) {
         return IntStream.range(0, trees.length)
                 .mapToObj(index ->
-                        (ShrinkTree<T>[]) IntStream.range(0, trees.length)
+                        IntStream.range(0, trees.length)
                                 .filter(i -> i != index)
                                 .mapToObj(i -> trees[i])
-                                .toArray(ShrinkTree[]::new));
+                                .toArray(ShrinkTree<?>[]::new))
+                .map(x -> (ShrinkTree<T>[]) x);
     }
 
     public static <T> Stream<ShrinkTree<T>[]> removeAndPromoteChildren(ShrinkTree<? super T>[] trees) {
diff --git a/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java b/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java
index 175cd6c..9e6414a 100644
--- a/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java
+++ b/src/main/java/au/id/zancanaro/javacheck/junit/Properties.java
@@ -85,7 +85,7 @@ public class Properties extends BlockJUnit4ClassRunner {
             } else {
                 Generator<?>[] generators = Arrays.stream(method.getGenericParameterTypes())
                         .map(param -> provider.getGenerator(param, new Annotation[0], provider))
-                        .toArray(Generator[]::new);
+                        .toArray(Generator<?>[]::new);
                 Generator<List<Object>> generator = Generator.tuple(generators);
 
                 long seed = getSeed(method);