Replace more usages of StringBuffer with StringBuilder

2 files changed, 4 insertions, 4 deletions

diff --git a/util/src/main/java/org/aspectj/util/GenericSignatureParser.java b/util/src/main/java/org/aspectj/util/GenericSignatureParser.java
index 101984cb6..3f1f3d52a 100644
--- a/util/src/main/java/org/aspectj/util/GenericSignatureParser.java
+++ b/util/src/main/java/org/aspectj/util/GenericSignatureParser.java
@@ -176,7 +176,7 @@ public class GenericSignatureParser {
 	private ClassTypeSignature parseClassTypeSignature() {
 		SimpleClassTypeSignature outerType = null;
 		SimpleClassTypeSignature[] nestedTypes = new SimpleClassTypeSignature[0];
-		StringBuffer ret = new StringBuffer();
+		StringBuilder ret = new StringBuilder();
 		String identifier = eatIdentifier();
 		ret.append(identifier);
 		while (maybeEat("/")) {
@@ -215,7 +215,7 @@ public class GenericSignatureParser {
 	 * Helper method to digest nested types, slightly more complex than necessary to cope with some android related
 	 * incorrect classes (see bug 406167)
 	 */
-	private SimpleClassTypeSignature[] parseNestedTypesHelper(StringBuffer ret) {
+	private SimpleClassTypeSignature[] parseNestedTypesHelper(StringBuilder ret) {
 		boolean brokenSignature = false;
 		SimpleClassTypeSignature[] nestedTypes;
 		List<SimpleClassTypeSignature> nestedTypeList = new ArrayList<>();
diff --git a/util/src/main/java/org/aspectj/util/LangUtil.java b/util/src/main/java/org/aspectj/util/LangUtil.java
index bea034d87..28cf2f708 100644
--- a/util/src/main/java/org/aspectj/util/LangUtil.java
+++ b/util/src/main/java/org/aspectj/util/LangUtil.java
@@ -1510,7 +1510,7 @@ public class LangUtil {
 
 			@Override
 			public String toString() {
-				StringBuffer sb = new StringBuffer();
+				StringBuilder sb = new StringBuilder();
 				append(sb, fromProcess, "process");
 				append(sb, fromOutPipe, " stdout");
 				append(sb, fromErrPipe, " stderr");
@@ -1522,7 +1522,7 @@ public class LangUtil {
 				}
 			}
 
-			private void append(StringBuffer sb, Throwable thrown, String label) {
+			private void append(StringBuilder sb, Throwable thrown, String label) {
 				if (null != thrown) {
 					sb.append("from " + label + ": ");
 					sb.append(LangUtil.renderExceptionShort(thrown));