Simpler lambdas

src/test/java/org/apache/commons/collections4/bloomfilter/AbstractBloomFilterTest.java

@@ -143,9 +143,7 @@ public abstract class AbstractBloomFilterTest<T extends BloomFilter> {
             for (final long l : values) {
                 lst.add(l);
             }
-            assertTrue(f.forEachBitMap(l -> {
+            assertTrue(f.forEachBitMap(l -> lst.remove(Long.valueOf(l))));
-                return lst.remove(Long.valueOf(l));
-            }));
             assertTrue(lst.isEmpty());
         }
         // values too large

src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromIndexProducerTest.java

@@ -55,7 +55,7 @@ public class BitMapProducerFromIndexProducerTest extends AbstractBitMapProducerT
     public final void testFromIndexProducer() {
         final List<Long> lst = new ArrayList<>();
         createProducer().forEachBitMap(lst::add);
-        final long[] buckets = lst.stream().mapToLong(l -> l.longValue()).toArray();
+        final long[] buckets = lst.stream().mapToLong(Long::longValue).toArray();
         assertTrue(BitMap.contains(buckets, 0));
         assertTrue(BitMap.contains(buckets, 1));
         assertTrue(BitMap.contains(buckets, 63));

src/test/java/org/apache/commons/collections4/bloomfilter/DefaultBloomFilterTest.java

@@ -103,7 +103,7 @@ public class DefaultBloomFilterTest extends AbstractBloomFilterTest<DefaultBloom
 
         @Override
         public boolean contains(final IndexProducer indexProducer) {
-            return indexProducer.forEachIndex((i) -> indices.contains(i));
+            return indexProducer.forEachIndex(i -> indices.contains(i));
         }
 
         @Override