Use valueOf().

src/test/java/org/apache/commons/lang3/builder/DiffBuilderTest.java

@@ -356,9 +356,9 @@ public class DiffBuilderTest {
     @Test
     public void testObjectsNotSameButEqual() {
         final TypeTestClass left = new TypeTestClass();
-        left.objectField = new Integer(1);
+        left.objectField = Integer.valueOf(1);
         final TypeTestClass right = new TypeTestClass();
-        right.objectField = new Integer(1);
+        right.objectField = Integer.valueOf(1);
         assertNotSame(left.objectField, right.objectField);
         assertEquals(left.objectField, right.objectField);
 

src/test/java/org/apache/commons/lang3/tuple/ImmutableTripleTest.java

@@ -50,8 +50,8 @@ public class ImmutableTripleTest {
         assertNull(triple2.getLeft());
         assertEquals("bar", triple2.middle);
         assertEquals("bar", triple2.getMiddle());
-        assertEquals(new Integer(42), triple2.right);
-        assertEquals(new Integer(42), triple2.getRight());
+        assertEquals(Integer.valueOf(42), triple2.right);
+        assertEquals(Integer.valueOf(42), triple2.getRight());
     }
 
     @Test

src/test/java/org/apache/commons/lang3/tuple/TripleTest.java

@@ -131,7 +131,7 @@ public class TripleTest {
         assertTrue(triple2 instanceof ImmutableTriple<?, ?, ?>);
         assertNull(((ImmutableTriple<Object, String, Long>) triple2).left);
         assertEquals("bar", ((ImmutableTriple<Object, String, Long>) triple2).middle);
-        assertEquals(new Long(200L), ((ImmutableTriple<Object, String, Long>) triple2).right);
+        assertEquals(Long.valueOf(200L), ((ImmutableTriple<Object, String, Long>) triple2).right);
     }
 
 }