Formatting fixes

Author: mernst

src/java.base/share/classes/java/lang/String.java

@@ -3478,7 +3478,8 @@ public String[] splitWithDelimiters(String regex, int limit) {
         return split(regex, limit, true);
     }
 
-    private String[] split(String regex, int limit, boolean withDelimiters) {        /* fastpath if the regex is a
+    private String[] split(String regex, int limit, boolean withDelimiters) {
+        /* fastpath if the regex is a
          * (1) one-char String and this character is not one of the
          *     RegEx's meta characters ".$|()[{^?*+\\", or
          * (2) two-char String and the first char is the backslash and

src/java.base/share/classes/java/lang/StringBuffer.java

@@ -726,12 +726,12 @@ public synchronized StringBuffer reverse() {
         return this;
     }
 
-    @SideEffectFree
     /**
      * @throws IllegalArgumentException {@inheritDoc}
      *
      * @since 21
      */
+    @SideEffectFree
     @Override
     public synchronized StringBuffer repeat(int codePoint, int count) {
         super.repeat(codePoint, count);

src/java.base/share/classes/java/lang/StringBuilder.java

@@ -493,13 +493,13 @@ public StringBuilder reverse() {
         return this;
     }
 
-    @SideEffectFree
     /**
      * @throws IllegalArgumentException {@inheritDoc}
      *
      * @since 21
      */
     @Override
+    @SideEffectFree
     public StringBuilder repeat(int codePoint, int count) {
         super.repeat(codePoint, count);
         return this;