Collections.sort() can be replaced with List.sort()

Reports calls to Collections.sort(list, comparator) which could be replaced with list.sort(comparator).

Signed-off-by: Lars Grefer <eclipse@larsgrefer.de>

3 files changed, 5 insertions, 5 deletions

diff --git a/testing/src/test/java/org/aspectj/testing/XMLBasedAjcTestCase.java b/testing/src/test/java/org/aspectj/testing/XMLBasedAjcTestCase.java
index 81e2616ea..dbb5557cc 100644
--- a/testing/src/test/java/org/aspectj/testing/XMLBasedAjcTestCase.java
+++ b/testing/src/test/java/org/aspectj/testing/XMLBasedAjcTestCase.java
@@ -416,7 +416,7 @@ public abstract class XMLBasedAjcTestCase extends AjcTestCase {
 		List<LocalVariable> l = new ArrayList<>();
 		LocalVariable lv[] = lvt.getLocalVariableTable();
 		Collections.addAll(l, lv);
-		Collections.sort(l, new MyComparator());
+		l.sort(new MyComparator());
 		return l;
 	}
 
diff --git a/testing/src/test/java/org/aspectj/testing/util/Diffs.java b/testing/src/test/java/org/aspectj/testing/util/Diffs.java
index c9a58e99f..e95ab3184 100644
--- a/testing/src/test/java/org/aspectj/testing/util/Diffs.java
+++ b/testing/src/test/java/org/aspectj/testing/util/Diffs.java
@@ -452,7 +452,7 @@ public class Diffs {
 
 		if (LangUtil.isEmpty(skip)) {
 			sink.addAll(Arrays.asList(source));
-			Collections.sort(sink, MESSAGE_LINEKIND);
+			sink.sort(MESSAGE_LINEKIND);
 			return sink;
 		}
 		for (IMessage message : source) {
@@ -467,7 +467,7 @@ public class Diffs {
 				sink.add(message);
 			}
 		}
-		Collections.sort(sink, MESSAGE_LINEKIND);
+		sink.sort(MESSAGE_LINEKIND);
 		return sink;
 	}
 
diff --git a/testing/src/test/java/org/aspectj/testing/util/LangUtil.java b/testing/src/test/java/org/aspectj/testing/util/LangUtil.java
index ddf3a832a..23385db3a 100644
--- a/testing/src/test/java/org/aspectj/testing/util/LangUtil.java
+++ b/testing/src/test/java/org/aspectj/testing/util/LangUtil.java
@@ -941,11 +941,11 @@ public class LangUtil {
         
         ArrayList expected = new ArrayList();
         expected.addAll(expectedListIn);
-        Collections.sort(expected, comparator);
+        expected.sort(comparator);
         
         ArrayList actual = new ArrayList();
         actual.addAll(actualListIn);
-        Collections.sort(actual, comparator);        
+        actual.sort(comparator);
         Iterator actualIter = actual.iterator();        
         Object act = null;