Checkstyle: fix formatting, and redundant braces

Author: Alex Klymenko

src/test/java/com/thealgorithms/sorts/SortUtilsTest.java

@@ -83,13 +83,13 @@ public <T> void testSwap(T[] array, int i, int j, T[] expected, String message)
 
     private static Stream<Arguments> provideArraysForSwap() {
         return Stream.of(Arguments.of(new Integer[] {1, 2, 3, 4}, 1, 2, new Integer[] {1, 3, 2, 4}, "Swapping adjacent elements should work correctly."), Arguments.of(new Integer[] {1, 2, 3, 4}, 0, 3, new Integer[] {4, 2, 3, 1}, "Swapping non-adjacent elements should work correctly."),
-                Arguments.of(new Integer[] {1, 2, 3, 4}, 2, 2, new Integer[] {1, 2, 3, 4}, "Swapping the same index should not change the array."), Arguments.of(new String[] {"a", "b", "c", "d"}, 0, 3, new String[] {"d", "b", "c", "a"}, "Swapping first and last elements should work correctly."),
-                Arguments.of(new String[] {null, "b", "c", null}, 0, 3, new String[] {null, "b", "c", null}, "Swapping null elements should work correctly."), Arguments.of(new Integer[] {}, 0, 0, new Integer[] {}, "Swapping in an empty array should not throw an error."));
+            Arguments.of(new Integer[] {1, 2, 3, 4}, 2, 2, new Integer[] {1, 2, 3, 4}, "Swapping the same index should not change the array."), Arguments.of(new String[] {"a", "b", "c", "d"}, 0, 3, new String[] {"d", "b", "c", "a"}, "Swapping first and last elements should work correctly."),
+            Arguments.of(new String[] {null, "b", "c", null}, 0, 3, new String[] {null, "b", "c", null}, "Swapping null elements should work correctly."), Arguments.of(new Integer[] {}, 0, 0, new Integer[] {}, "Swapping in an empty array should not throw an error."));
     }
 
     @Test
     public void testSwapOutOfBounds() {
         Integer[] array = {1, 2, 3, 4};
-        assertThrows(ArrayIndexOutOfBoundsException.class, () -> { SortUtils.swap(array, -1, 4); }, "Swapping out of bounds should throw an ArrayIndexOutOfBoundsException.");
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> SortUtils.swap(array, -1, 4), "Swapping out of bounds should throw an ArrayIndexOutOfBoundsException.");
     }
 }