Tiny optimization to exploit a method added in Java 21.

eamonnmcmanus · google-java-format Team · commit f7a4f720791e · 2026-04-01T14:36:36.000-07:00
PiperOrigin-RevId: 893118622
diff --git a/core/src/main/java/com/google/googlejavaformat/java/javadoc/JavadocWriter.java b/core/src/main/java/com/google/googlejavaformat/java/javadoc/JavadocWriter.java
@@ -425,9 +425,8 @@ private int innerIndent() {
     return innerIndent;
   }
 
-  // If this is a hotspot, keep a String of many spaces around, and call append(string, start, end).
   private void appendSpaces(int count) {
-    output.append(" ".repeat(count));
+    output.repeat(' ', count);
   }
 
   /**

Original file line number	Diff line number	Diff line change
`@@ -425,9 +425,8 @@ private int innerIndent() {`
`425`	`425`	`return innerIndent;`
`426`	`426`	`}`
`427`	`427`
`428`		`- // If this is a hotspot, keep a String of many spaces around, and call append(string, start, end).`
`429`	`428`	`private void appendSpaces(int count) {`
`430`		`- output.append(" ".repeat(count));`
	`429`	`+ output.repeat(' ', count);`
`431`	`430`	`}`
`432`	`431`
`433`	`432`	`/**`