diff --git a/pom.xml b/pom.xml
index 496eff197..3154e728c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -223,7 +223,7 @@
             <notimestamp>true</notimestamp>
             <links>
               <link>https://commons.apache.org/proper/commons-text/apidocs</link>
-              <link>https://docs.oracle.com/javaee/6/api</link>
+              <link>${commons.javadoc.javaee.link}</link>
             </links>
             <validateLinks>true</validateLinks>
             <archive>
@@ -328,7 +328,7 @@
           <notimestamp>true</notimestamp>
           <links>
             <link>https://commons.apache.org/proper/commons-text/apidocs</link>
-            <link>https://docs.oracle.com/javaee/6/api</link>
+            <link>${commons.javadoc.javaee.link}</link>
           </links>
           <validateLinks>true</validateLinks>
           <archive>
diff --git a/src/main/java/org/apache/commons/lang3/Strings.java b/src/main/java/org/apache/commons/lang3/Strings.java
index edca2c0a2..f775b3ae7 100644
--- a/src/main/java/org/apache/commons/lang3/Strings.java
+++ b/src/main/java/org/apache/commons/lang3/Strings.java
@@ -46,6 +46,13 @@ public abstract class Strings {
          */
         private boolean nullIsLess;
 
+        /**
+         * Constructs a new instance.
+         */
+        private Builder() {
+            // empty
+        }
+
         /**
          * Gets a new {@link Strings} instance.
          */
diff --git a/src/test/java/org/apache/commons/lang3/text/StrBuilderTest.java b/src/test/java/org/apache/commons/lang3/text/StrBuilderTest.java
index 198cefd10..e771622c1 100644
--- a/src/test/java/org/apache/commons/lang3/text/StrBuilderTest.java
+++ b/src/test/java/org/apache/commons/lang3/text/StrBuilderTest.java
@@ -146,38 +146,39 @@ public class StrBuilderTest extends AbstractLangTest {
     @Test
     public void testAsReader() throws Exception {
         final StrBuilder sb = new StrBuilder("some text");
-        Reader reader = sb.asReader();
-        assertTrue(reader.ready());
-        final char[] buf = new char[40];
-        assertEquals(9, reader.read(buf));
-        assertEquals("some text", new String(buf, 0, 9));
+        try (Reader reader = sb.asReader()) {
+            assertTrue(reader.ready());
+            final char[] buf = new char[40];
+            assertEquals(9, reader.read(buf));
+            assertEquals("some text", new String(buf, 0, 9));
 
-        assertEquals(-1, reader.read());
-        assertFalse(reader.ready());
-        assertEquals(0, reader.skip(2));
-        assertEquals(0, reader.skip(-1));
+            assertEquals(-1, reader.read());
+            assertFalse(reader.ready());
+            assertEquals(0, reader.skip(2));
+            assertEquals(0, reader.skip(-1));
 
-        assertTrue(reader.markSupported());
-        reader = sb.asReader();
-        assertEquals('s', reader.read());
-        reader.mark(-1);
+            assertTrue(reader.markSupported());
+        }
         char[] array = new char[3];
-        assertEquals(3, reader.read(array, 0, 3));
-        assertEquals('o', array[0]);
-        assertEquals('m', array[1]);
-        assertEquals('e', array[2]);
-        reader.reset();
-        assertEquals(1, reader.read(array, 1, 1));
-        assertEquals('o', array[0]);
-        assertEquals('o', array[1]);
-        assertEquals('e', array[2]);
-        assertEquals(2, reader.skip(2));
-        assertEquals(' ', reader.read());
-
-        assertTrue(reader.ready());
-        reader.close();
-        assertTrue(reader.ready());
+        try (Reader reader = sb.asReader()) {
+            assertEquals('s', reader.read());
+            reader.mark(-1);
+            assertEquals(3, reader.read(array, 0, 3));
+            assertEquals('o', array[0]);
+            assertEquals('m', array[1]);
+            assertEquals('e', array[2]);
+            reader.reset();
+            assertEquals(1, reader.read(array, 1, 1));
+            assertEquals('o', array[0]);
+            assertEquals('o', array[1]);
+            assertEquals('e', array[2]);
+            assertEquals(2, reader.skip(2));
+            assertEquals(' ', reader.read());
 
+            assertTrue(reader.ready());
+            reader.close();
+            assertTrue(reader.ready());
+        }
         try (Reader r = sb.asReader()) {
             final char[] arr = new char[3];
             assertThrows(IndexOutOfBoundsException.class, () -> r.read(arr, -1, 0));