diff --git a/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/rename/RefactoringScanner.java b/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/rename/RefactoringScanner.java
index 7d7c68888e7..7f040736290 100644
--- a/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/rename/RefactoringScanner.java	
+++ b/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/rename/RefactoringScanner.java	
@@ -19,6 +19,8 @@
 import org.eclipse.core.runtime.Assert;
 
 import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.ToolFactory;
 import org.eclipse.jdt.core.compiler.IScanner;
@@ -71,7 +73,14 @@ public RefactoringScanner(String name, String qualifier) {
 	public void scan(ICompilationUnit cu)	throws JavaModelException {
 		char[] chars= cu.getBuffer().getCharacters();
 		fMatches= new HashSet<>();
-		fScanner= ToolFactory.createScanner(true, true, false, true);
+		IJavaProject javaProject= cu.getJavaProject();
+        if (javaProject != null) {
+            String sourceLevel = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
+            String complianceLevel = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
+            fScanner = ToolFactory.createScanner(true, true, true, sourceLevel, complianceLevel);
+        } else {
+        	fScanner= ToolFactory.createScanner(true, true, false, true);
+        }
 		fScanner.setSource(chars);
 
 //		IImportContainer importContainer= cu.getImportContainer();
diff --git a/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/reorg/MoveCuUpdateCreator.java b/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/reorg/MoveCuUpdateCreator.java
index c0d88491454..19d2e3db597 100644
--- a/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/reorg/MoveCuUpdateCreator.java	
+++ b/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/reorg/MoveCuUpdateCreator.java	
@@ -39,8 +39,10 @@
 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IImportDeclaration;
 import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IPackageFragment;
 import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.ToolFactory;
 import org.eclipse.jdt.core.compiler.IScanner;
@@ -54,6 +56,8 @@
 import org.eclipse.jdt.core.search.SearchPattern;
 import org.eclipse.jdt.core.search.TypeReferenceMatch;
 
+import org.eclipse.jdt.internal.core.manipulation.StubUtility;
+import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels;
 import org.eclipse.jdt.internal.corext.refactoring.CollectingSearchRequestor;
 import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages;
 import org.eclipse.jdt.internal.corext.refactoring.RefactoringScopeFactory;
@@ -69,9 +73,6 @@
 
 import org.eclipse.jdt.internal.ui.JavaPlugin;
 
-import org.eclipse.jdt.internal.core.manipulation.StubUtility;
-import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels;
-
 public class MoveCuUpdateCreator {
 
 	private final String fNewPackage;
@@ -318,7 +319,14 @@ private final static class Collector extends CollectingSearchRequestor {
 		public Collector(IPackageFragment source, ReferencesInBinaryContext binaryRefs) {
 			super(binaryRefs);
 			fSource= source;
-			fScanner= ToolFactory.createScanner(false, false, false, false);
+			IJavaProject javaProject= source.getJavaProject();
+	        if (javaProject != null) {
+	            String sourceLevel = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
+	            String complianceLevel = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
+	            fScanner = ToolFactory.createScanner(false, false, false, sourceLevel, complianceLevel);
+	        } else {
+	        	fScanner= ToolFactory.createScanner(false, false, false, false);
+	        }
 		}
 
 		@Override
diff --git a/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/structure/ParameterObjectFactory.java b/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/structure/ParameterObjectFactory.java
index 33a36d482d3..fef90829e3a 100644
--- a/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/structure/ParameterObjectFactory.java	
+++ b/org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/structure/ParameterObjectFactory.java	
@@ -36,6 +36,7 @@
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IPackageFragment;
 import org.eclipse.jdt.core.IPackageFragmentRoot;
+import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.NamingConventions;
 import org.eclipse.jdt.core.ToolFactory;
 import org.eclipse.jdt.core.compiler.IScanner;
@@ -692,20 +693,28 @@ protected String getFileComment(ICompilationUnit parentCU, String lineDelimiter)
 	}
 
 	protected String getTypeComment(ICompilationUnit parentCU, String lineDelimiter) throws CoreException {
-		if (StubUtility.doAddComments(parentCU.getJavaProject())) {
+		IJavaProject javaProject= parentCU.getJavaProject();
+		if (StubUtility.doAddComments(javaProject)) {
 			StringBuilder typeName= new StringBuilder();
 			typeName.append(getClassName());
 			String[] typeParamNames= new String[0];
 			String comment= CodeGeneration.getTypeComment(parentCU, typeName.toString(), typeParamNames, lineDelimiter);
-			if (comment != null && isValidComment(comment)) {
+			if (comment != null && isValidComment(comment, javaProject)) {
 				return comment;
 			}
 		}
 		return null;
 	}
 
-	private boolean isValidComment(String template) {
-		IScanner scanner= ToolFactory.createScanner(true, false, false, false);
+	private boolean isValidComment(String template, IJavaProject javaProject) {
+		IScanner scanner;
+        if (javaProject != null) {
+            String sourceLevel = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
+            String complianceLevel = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
+            scanner = ToolFactory.createScanner(true, false, false, sourceLevel, complianceLevel);
+        } else {
+        	scanner= ToolFactory.createScanner(true, false, false, false);
+        }
 		scanner.setSource(template.toCharArray());
 		try {
 			int next= scanner.getNextToken();
diff --git a/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/reorg/PasteAction.java b/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/reorg/PasteAction.java
index 9797b6ebf7c..f86b8cceaec 100644
--- a/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/reorg/PasteAction.java	
+++ b/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/reorg/PasteAction.java	
@@ -1039,7 +1039,14 @@ private IEditorPart openCu(ICompilationUnit cu) {
 		}
 
 		private void parseCUs(IJavaProject javaProject, String text) {
-			IScanner scanner= ToolFactory.createScanner(false, false, false, false);
+			IScanner scanner;
+	        if (javaProject != null) {
+	            String sourceLevel = javaProject.getOption(JavaCore.COMPILER_SOURCE, true);
+	            String complianceLevel = javaProject.getOption(JavaCore.COMPILER_COMPLIANCE, true);
+	            scanner = ToolFactory.createScanner(false, false, false, sourceLevel, complianceLevel);
+	        } else {
+	        	scanner= ToolFactory.createScanner(false, false, false, false);
+	        }
 			scanner.setSource(text.toCharArray());
 
 			ArrayList<ParsedCu> cus= new ArrayList<>();
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/selectionactions/GoToNextPreviousMemberAction.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/selectionactions/GoToNextPreviousMemberAction.java
index e2d44dd70f8..8619357b5dc 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/selectionactions/GoToNextPreviousMemberAction.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/selectionactions/GoToNextPreviousMemberAction.java
@@ -31,11 +31,13 @@
 import org.eclipse.jdt.core.IClassFile;
 import org.eclipse.jdt.core.IInitializer;
 import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IMember;
 import org.eclipse.jdt.core.IOrdinaryClassFile;
 import org.eclipse.jdt.core.ISourceRange;
 import org.eclipse.jdt.core.ISourceReference;
 import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.SourceRange;
 import org.eclipse.jdt.core.ToolFactory;
@@ -230,7 +232,15 @@ private static int getOffset(IMember iMember) throws JavaModelException {
 
 	private static int firstOpeningBraceOffset(IInitializer iInitializer) throws JavaModelException {
 		try {
-			IScanner scanner= ToolFactory.createScanner(false, false, false, false);
+			IScanner scanner;
+			IJavaProject project = iInitializer.getJavaProject();
+	        if (project != null) {
+	            String sourceLevel = project.getOption(JavaCore.COMPILER_SOURCE, true);
+	            String complianceLevel = project.getOption(JavaCore.COMPILER_COMPLIANCE, true);
+	            scanner = ToolFactory.createScanner(false, false, false, sourceLevel, complianceLevel);
+	        } else {
+	        	scanner= ToolFactory.createScanner(false, false, false, false);
+	        }
 			scanner.setSource(iInitializer.getSource().toCharArray());
 			int token= scanner.getNextToken();
 			while (token != ITerminalSymbols.TokenNameEOF && token != ITerminalSymbols.TokenNameLBRACE)
diff --git a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/proposals/TaskMarkerProposal.java b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/proposals/TaskMarkerProposal.java
index 6c766457f42..32e311e0060 100644
--- a/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/proposals/TaskMarkerProposal.java
+++ b/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/proposals/TaskMarkerProposal.java
@@ -25,6 +25,8 @@
 import org.eclipse.jface.text.Position;
 
 import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.ToolFactory;
 import org.eclipse.jdt.core.compiler.IScanner;
 import org.eclipse.jdt.core.compiler.ITerminalSymbols;
@@ -68,7 +70,15 @@ protected void addEdits(IDocument document, TextEdit rootEdit) throws CoreExcept
 	}
 
 	private Position getUpdatedPosition(IDocument document) throws BadLocationException {
-		IScanner scanner= ToolFactory.createScanner(true, false, false, false);
+		IScanner scanner;
+		IJavaProject project = this.getCompilationUnit().getJavaProject();
+        if (project != null) {
+            String sourceLevel = project.getOption(JavaCore.COMPILER_SOURCE, true);
+            String complianceLevel = project.getOption(JavaCore.COMPILER_COMPLIANCE, true);
+            scanner = ToolFactory.createScanner(true, false, false, sourceLevel, complianceLevel);
+        } else {
+        	scanner= ToolFactory.createScanner(true, false, false, false);
+        }
 		scanner.setSource(document.get().toCharArray());
 
 		int token= getSurroundingComment(scanner);