Replace uses of StringBuffer with StringBuilder.

StringBuffer is a legacy synchronized class. StringBuilder is a direct replacement to StringBuffer which generally have better performance.

2 files changed, 2 insertions, 2 deletions

diff --git a/ajde/src/main/java/org/aspectj/ajde/Ajde.java b/ajde/src/main/java/org/aspectj/ajde/Ajde.java
index 3eef4fd06..5977feb16 100644
--- a/ajde/src/main/java/org/aspectj/ajde/Ajde.java
+++ b/ajde/src/main/java/org/aspectj/ajde/Ajde.java
@@ -258,7 +258,7 @@ public class Ajde {
 			if (LangUtil.isEmpty(mainClass)) {
 				showWarningMessage("No main class specified");
 			} else {
-				StringBuffer sb = new StringBuffer();
+				StringBuilder sb = new StringBuilder();
 				List outputDirs = compilerConfig.getOutputLocationManager().getAllOutputLocations();
 				for (Object outputDir : outputDirs) {
 					File dir = (File) outputDir;
diff --git a/ajde/src/main/java/org/aspectj/ajde/internal/LstBuildConfigFileUpdater.java b/ajde/src/main/java/org/aspectj/ajde/internal/LstBuildConfigFileUpdater.java
index 8e409b4d9..5b83060b8 100644
--- a/ajde/src/main/java/org/aspectj/ajde/internal/LstBuildConfigFileUpdater.java
+++ b/ajde/src/main/java/org/aspectj/ajde/internal/LstBuildConfigFileUpdater.java
@@ -185,7 +185,7 @@ class LstBuildConfigFileUpdater {
 	 */
 	public void writeConfigFile(String filePath, List<String> fileContents) {
 		Set<String> contentsSet = new TreeSet<>(fileContents);
-		StringBuffer fileContentsSB = new StringBuffer();
+		StringBuilder fileContentsSB = new StringBuilder();
 		for (String s : contentsSet) {
 			fileContentsSB.append(s.toString());
 			fileContentsSB.append("\n");