diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/NameInformation.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/NameInformation.java
index 1c616f92188..f3d2c356015 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/NameInformation.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/NameInformation.java
@@ -66,7 +66,7 @@ public class NameInformation {
 	public NameInformation(IASTName name) {
 		this.name = name;
 		this.newName = String.valueOf(name.getSimpleID());
-		referencesInSelection = new ArrayList<IASTName>();
+		referencesInSelection = new ArrayList<>();
 	}
 
 	public static NameInformation createInfoForAddedParameter(String type, String name,
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/FunctionExtractor.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/FunctionExtractor.java
index 877ef66836d..93600307e8a 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/FunctionExtractor.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/extractfunction/FunctionExtractor.java
@@ -95,7 +95,7 @@ public abstract class FunctionExtractor {
 	
 	public List<IASTParameterDeclaration> getParameterDeclarations(
 			Collection<NameInformation> parameterNames, INodeFactory nodeFactory) {
-		List<IASTParameterDeclaration> result = new ArrayList<IASTParameterDeclaration>(parameterNames.size());		
+		List<IASTParameterDeclaration> result = new ArrayList<>(parameterNames.size());		
 		for (NameInformation param : parameterNames) {
 			result.add(param.getParameterDeclaration(nodeFactory));
 		}
@@ -170,7 +170,7 @@ public abstract class FunctionExtractor {
 	 * @return a map from references to parameters to parameters themselves.
 	 */
 	protected static Map<IASTName, NameInformation> getChangedParameterReferences(List<NameInformation> parameters) {
-		final Map<IASTName, NameInformation> referenceLookupMap = new HashMap<IASTName, NameInformation>();
+		final Map<IASTName, NameInformation> referenceLookupMap = new HashMap<>();
 		for (NameInformation param : parameters) {
 			if (param.isRenamed() || param.getIndirection() == Indirection.POINTER) {
 				for (IASTName name : param.getReferencesInSelection()) {