Fix empty Javadoc lines for Qulice compliance

Author: Habibullo-777

src/main/java/org/cactoos/text/Joined.java

@@ -11,7 +11,7 @@
 
 /**
  * Join a Text.
- * 
+ *
  * <p>This class joins multiple {@link Text} instances into a single
  * text using a specified delimiter between elements.</p>
  * <p>There is no thread-safety guarantee.
@@ -27,7 +27,7 @@
  * );
  * joined.asString(); // "apple, banana, orange"
  * }</pre>
- * 
+ *
  * @since 0.9
  */
 public final class Joined extends TextEnvelope {

src/main/java/org/cactoos/text/Lowered.java

@@ -8,13 +8,13 @@
 import org.cactoos.Text;
 
 /**
- * 
+ *
  * Text in lower case.
- * 
+ *
  * <p>This class converts the original text to lower case
  * using a specified {@link Locale}. If no locale is provided,
  * {@link Locale#ENGLISH} is used by default.</p>
- * 
+ *
  * <p>There is no thread-safety guarantee.
  *
  * <p>Example:</p>

src/main/java/org/cactoos/text/Mapped.java

@@ -12,15 +12,15 @@
  *
  * <p>This class applies a {@link Func} to the original text lazily,
  * i.e., the function is executed only when {@link Text#asString()} is called.</p>
- * 
+ *
  * <p>Example usage:</p>
  *
  * <pre>{@code
  * Text original = new TextOf("hello");
  * Text upper = new Mapped(str -> str.toUpperCase(), original);
  * upper.asString(); // "HELLO"
  * }</pre>
- * 
+ *
  * @since 0.47
  */
 public final class Mapped extends TextEnvelope {

src/main/java/org/cactoos/text/Trimmed.java

@@ -8,27 +8,27 @@
 
 /**
  * Text without control characters (char <= 32) from both ends.
- * 
+ *
  * <p>This class trims the original text using
  * {@link String#trim()}, removing whitespace characters
  * from both the beginning and the end of the text.</p>
  *
  * <p>
  * There is no thread-safety guarantee.
- * 
+ *
  *<p>Example:</p>
  * <pre>{@code
  * Text text = new Trimmed(new TextOf("  hello world  "));
  * text.asString(); // "hello world"
  * }</pre>
- * 
+ *
  * @since 0.1
  */
 public final class Trimmed extends TextEnvelope {
 
     /**
      * Ctor.
-     * 
+     *
      * Creates a trimmed text from the given
      * @param text The text
      */

src/main/java/org/cactoos/text/Upper.java

@@ -19,17 +19,17 @@
  * Text text1 = new Upper(new TextOf("hello"));
  * text1.asString(); // "HELLO
  * }</pre>
- * 
+ *
  * @since 0.1
  */
 public final class Upper extends TextEnvelope {
 
     /**
      * Ctor.
-     * 
+     *
      * <p>Creates an upper-case text from a character sequence
      * using {@link Locale#ENGLISH}.</p>
-     * 
+     *
      * @param text The text
      */
     public Upper(final CharSequence text) {
@@ -48,10 +48,10 @@ public Upper(final Text text) {
 
     /**
      * Ctor.
-     * 
+     *
      * <p>Creates an upper-case text from a {@link Text}
      * using the given {@link Locale}.</p>
-     * 
+     *
      * @param text The text
      * @param locale Locale
      */