[LANG-1556] Use Java 8 lambdas and Map operations. (#541)

* java8

* refine

* rebase

2 files changed, 4 insertions, 4 deletions

diff --git a/src/test/java/org/apache/commons/lang3/ArrayUtilsTest.java b/src/test/java/org/apache/commons/lang3/ArrayUtilsTest.java
index db9b5abb6..78d61f0a7 100644
--- a/src/test/java/org/apache/commons/lang3/ArrayUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/ArrayUtilsTest.java
@@ -1499,7 +1499,7 @@ public class ArrayUtilsTest {
 
     @Test
     public void testIsSortedComparator() {
-        final Comparator<Integer> c = (o1, o2) -> o2.compareTo(o1);
+        final Comparator<Integer> c = Comparator.reverseOrder();
 
         Integer[] array = null;
         assertTrue(ArrayUtils.isSorted(array, c));
diff --git a/src/test/java/org/apache/commons/lang3/FunctionsTest.java b/src/test/java/org/apache/commons/lang3/FunctionsTest.java
index 51699c225..3a4128b02 100644
--- a/src/test/java/org/apache/commons/lang3/FunctionsTest.java
+++ b/src/test/java/org/apache/commons/lang3/FunctionsTest.java
@@ -579,7 +579,7 @@ class FunctionsTest {
         FailureOnOddInvocations.invocations = 0;
         final FailableCallable<FailureOnOddInvocations, SomeException> failableCallable = FailureOnOddInvocations::new;
         final Callable<FailureOnOddInvocations> callable = Functions.asCallable(failableCallable);
-        final UndeclaredThrowableException e = assertThrows(UndeclaredThrowableException.class, () ->  callable.call());
+        final UndeclaredThrowableException e = assertThrows(UndeclaredThrowableException.class, callable::call);
         final Throwable cause = e.getCause();
         assertNotNull(cause);
         assertTrue(cause instanceof SomeException);
@@ -663,7 +663,7 @@ class FunctionsTest {
     void testAsRunnable() {
         FailureOnOddInvocations.invocations = 0;
         final Runnable runnable = Functions.asRunnable(FailureOnOddInvocations::new);
-        final UndeclaredThrowableException e = assertThrows(UndeclaredThrowableException.class, () ->  runnable.run());
+        final UndeclaredThrowableException e = assertThrows(UndeclaredThrowableException.class, runnable::run);
         final Throwable cause = e.getCause();
         assertNotNull(cause);
         assertTrue(cause instanceof SomeException);
@@ -678,7 +678,7 @@ class FunctionsTest {
         FailureOnOddInvocations.invocations = 0;
         final FailableSupplier<FailureOnOddInvocations, Throwable> failableSupplier = FailureOnOddInvocations::new;
         final Supplier<FailureOnOddInvocations> supplier = Functions.asSupplier(failableSupplier);
-        final UndeclaredThrowableException e = assertThrows(UndeclaredThrowableException.class, () ->  supplier.get());
+        final UndeclaredThrowableException e = assertThrows(UndeclaredThrowableException.class, supplier::get);
         final Throwable cause = e.getCause();
         assertNotNull(cause);
         assertTrue(cause instanceof SomeException);