use StringBuilder in place of String concatenation

jline · Jan 6, 2019 · 31a3219 · 31a3219
1 parent ce92ad2
commit 31a3219
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/reader/src/main/java/org/jline/reader/impl/DefaultParser.java b/reader/src/main/java/org/jline/reader/impl/DefaultParser.java
@@ -370,11 +370,11 @@ public boolean isClosingBracketMissing(){
 
         public String getMissingClosingBrackets(){
             if (!isClosingBracketMissing()) return null;
-            String out="";
+            StringBuilder out = new StringBuilder("");
             for (int i=nested.size()-1; i>-1; i--) {
-                out += Character.toString(closingBrackets[nested.get(i)]);                
+                out.append(Character.toString(closingBrackets[nested.get(i)]));                
             }
-            return out;
+            return out.toString();
         }
 
         private int bracketId(final char[] brackets, final CharSequence buffer, final int pos){