Bug 516530 - Use StringBuilder instead of StringBuffer - Part 7I20170703-2000

Change-Id: Id8b39858baf239b1ee4a750cbde0aaeae2eaf7ae
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>

21 files changed, 46 insertions, 46 deletions

diff --git a/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/model/internal/BinaryTranslatorProvider.java b/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/model/internal/BinaryTranslatorProvider.java
index 3bd28a84b47..e35d2f578dc 100644
--- a/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/model/internal/BinaryTranslatorProvider.java
+++ b/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/model/internal/BinaryTranslatorProvider.java
@@ -19,7 +19,7 @@ public class BinaryTranslatorProvider extends TranslationService {
 		if (key == null)
 			return null;
 		char[] charArray = key.toCharArray();
-		StringBuffer tmp = new StringBuffer();
+		StringBuilder tmp = new StringBuilder();
 		tmp.append("0x");
 		for(int i = 0; i < charArray.length; i++) {
 			int value = charArray[i];
diff --git a/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/views/DetailsView.java b/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/views/DetailsView.java
index 3c1bb091de1..352a529fc15 100644
--- a/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/views/DetailsView.java
+++ b/examples/org.eclipse.e4.demo.contacts/src/org/eclipse/e4/demo/contacts/views/DetailsView.java
@@ -192,7 +192,7 @@ public class DetailsView {
 	}
 
 	private void updatePartTitle(Contact contact) {
-		StringBuffer title = new StringBuffer("Details of ");
+		StringBuilder title = new StringBuilder("Details of ");
 		title.append(contact.getFirstName()).append(' ')
 		.append(contact.getLastName());
 		uiItem.setLabel(title.toString());
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/mask/internal/EditMaskParser.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/mask/internal/EditMaskParser.java
index 92a38bfd8ea..5febacbd03b 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/mask/internal/EditMaskParser.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/mask/internal/EditMaskParser.java
@@ -68,7 +68,7 @@ public class EditMaskParser {
 	 * @return the formatted version of the user input
 	 */
 	public String getFormattedResult() {
-		StringBuffer result = new StringBuffer();
+		StringBuilder result = new StringBuilder();
 		for (int i = 0; i < expectedTokens.length; i++) {
 			String outputChar = expectedTokens[i].getInput();
 			if (outputChar == null) {
@@ -83,7 +83,7 @@ public class EditMaskParser {
 	 * @return the user input with all literals removed
 	 */
 	public String getRawResult() {
-		StringBuffer result = new StringBuffer();
+		StringBuilder result = new StringBuilder();
 		for (int i = 0; i < expectedTokens.length; i++) {
 			if (expectedTokens[i].isReadOnly()) {
 				continue;
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/model/AggregateObservableValue.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/model/AggregateObservableValue.java
index 05d02489bd4..20b46a2f11b 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/model/AggregateObservableValue.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/model/AggregateObservableValue.java
@@ -75,7 +75,7 @@ public class AggregateObservableValue extends AbstractObservableValue<Object> {
 
 	@Override
 	public Object doGetValue() {
-		StringBuffer result = new StringBuffer();
+		StringBuilder result = new StringBuilder();
 		for (int i = 0; i < observableValues.length; i++) {
 			if (i > 0 & i < observableValues.length) {
 				result.append(delimiter);
diff --git a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet008ComputedValue.java b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet008ComputedValue.java
index 2e7a4c9c4c1..2ef228911a4 100644
--- a/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet008ComputedValue.java
+++ b/examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet008ComputedValue.java
@@ -111,7 +111,7 @@ public class Snippet008ComputedValue {
 			firstName = (firstName != null && firstName.length() > 0) ? firstName
 					: "[First Name]";
 
-			StringBuffer buffer = new StringBuffer();
+			StringBuilder buffer = new StringBuilder();
 			buffer.append(lastName).append(", ").append(firstName);
 
 			return buffer.toString();
diff --git a/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/viewers/Snippet010OwnerDraw.java b/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/viewers/Snippet010OwnerDraw.java
index 13820c3dba7..f3f22f96594 100644
--- a/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/viewers/Snippet010OwnerDraw.java
+++ b/examples/org.eclipse.jface.snippets/Eclipse JFace Snippets/org/eclipse/jface/snippets/viewers/Snippet010OwnerDraw.java
@@ -136,7 +136,7 @@ public class Snippet010OwnerDraw {
 		 */
 		protected void drawName(Event event) {
 
-			StringBuffer buffer = getDisplayString();
+			StringBuilder buffer = getDisplayString();
 
 			Display display = viewer.getControl().getDisplay();
 			TextLayout layout = new TextLayout(display);
@@ -159,8 +159,8 @@ public class Snippet010OwnerDraw {
 		/**
 		 * @return
 		 */
-		private StringBuffer getDisplayString() {
-			StringBuffer buffer = new StringBuffer();
+		private StringBuilder getDisplayString() {
+			StringBuilder buffer = new StringBuilder();
 			buffer.append(name);
 			buffer.append(" (");
 			buffer.append(baseName);
diff --git a/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/editor/DeltaInfoHandler.java b/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/editor/DeltaInfoHandler.java
index 3ab7275feb5..dd7dafaba20 100644
--- a/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/editor/DeltaInfoHandler.java
+++ b/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/editor/DeltaInfoHandler.java
@@ -37,7 +37,7 @@ public class DeltaInfoHandler extends AbstractHandler {
 		Person model = service.getPerson(local.getId());
 
 		boolean delta = false;
-		StringBuffer buf = new StringBuffer();
+		StringBuilder buf = new StringBuilder();
 		buf.append(ContributionMessages.InfoEditor_surname);
 		if (!model.getSurname().equals(local.getSurname())) {
 			delta = true;
diff --git a/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/model/Person.java b/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/model/Person.java
index 50c2db0e3d2..0075f544dc3 100644
--- a/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/model/Person.java
+++ b/examples/org.eclipse.ui.examples.contributions/src/org/eclipse/ui/examples/contributions/model/Person.java
@@ -60,7 +60,7 @@ public class Person {
 
 	@Override
 	public String toString() {
-		StringBuffer buf = new StringBuffer(surname);
+		StringBuilder buf = new StringBuilder(surname);
 		buf.append(", "); //$NON-NLS-1$
 		buf.append(givenname);
 		buf.append(" ("); //$NON-NLS-1$
diff --git a/examples/org.eclipse.ui.examples.fieldassist/Eclipse UI Examples Field Assist/org/eclipse/ui/examples/fieldassist/FieldAssistTestDialog.java b/examples/org.eclipse.ui.examples.fieldassist/Eclipse UI Examples Field Assist/org/eclipse/ui/examples/fieldassist/FieldAssistTestDialog.java
index 6e9ebaa3b51..64e18ab903a 100644
--- a/examples/org.eclipse.ui.examples.fieldassist/Eclipse UI Examples Field Assist/org/eclipse/ui/examples/fieldassist/FieldAssistTestDialog.java
+++ b/examples/org.eclipse.ui.examples.fieldassist/Eclipse UI Examples Field Assist/org/eclipse/ui/examples/fieldassist/FieldAssistTestDialog.java
@@ -230,7 +230,7 @@ public class FieldAssistTestDialog extends StatusDialog {
 
 		void quickFix() {
 			String contents = getContents();
-			StringBuffer lettersOnly = new StringBuffer();
+			StringBuilder lettersOnly = new StringBuilder();
 			int length = contents.length();
 			for (int i = 0; i < length;) {
 				char ch = contents.charAt(i++);
diff --git a/examples/org.eclipse.ui.examples.navigator/src/org/eclipse/ui/examples/navigator/PropertiesTreeData.java b/examples/org.eclipse.ui.examples.navigator/src/org/eclipse/ui/examples/navigator/PropertiesTreeData.java
index 60dc4dc6913..8fa6b4fde2b 100644
--- a/examples/org.eclipse.ui.examples.navigator/src/org/eclipse/ui/examples/navigator/PropertiesTreeData.java
+++ b/examples/org.eclipse.ui.examples.navigator/src/org/eclipse/ui/examples/navigator/PropertiesTreeData.java
@@ -69,8 +69,8 @@ public class PropertiesTreeData {
 	} 
 
 	public String toString() {
-		StringBuffer toString = 
-				new StringBuffer(getName()).append(":").append(getValue()); //$NON-NLS-1$
+		StringBuilder toString = 
+				new StringBuilder(getName()).append(":").append(getValue()); //$NON-NLS-1$
 		return toString.toString();
 	}
 
diff --git a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Address.java b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Address.java
index 982ec0326ce..a2725434dcf 100644
--- a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Address.java
+++ b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Address.java
@@ -103,7 +103,7 @@ public class Address implements IPropertySource {
                 final char space = ' ';
 
                 //removes white space
-                StringBuffer postalCodeBuffer = new StringBuffer(6);
+                StringBuilder postalCodeBuffer = new StringBuilder(6);
                 char current;
                 for (int i = 0; i < length; i++) {
                     current = testPostalCode.charAt(i);
@@ -363,20 +363,20 @@ public class Address implements IPropertySource {
      */
     @Override
 	public String toString() {
-        StringBuffer outStringBuffer = new StringBuffer();
+        StringBuilder outStringBuilder = new StringBuilder();
         final String comma_space = ", "; //$NON-NLS-1$
         final String space = " "; //$NON-NLS-1$
         if (!getStreet().equals(STREET_DEFAULT)) {
-            outStringBuffer.append(getStreet());
-            outStringBuffer.append(comma_space);
+            outStringBuilder.append(getStreet());
+            outStringBuilder.append(comma_space);
         }
 
-        outStringBuffer.append(getCity());
-        outStringBuffer.append(space);
-        outStringBuffer.append(provinceValues[getProvince().intValue()]);
-        outStringBuffer.append(comma_space);
-        outStringBuffer.append(getPostalCode());
+        outStringBuilder.append(getCity());
+        outStringBuilder.append(space);
+        outStringBuilder.append(provinceValues[getProvince().intValue()]);
+        outStringBuilder.append(comma_space);
+        outStringBuilder.append(getPostalCode());
 
-        return outStringBuffer.toString();
+        return outStringBuilder.toString();
     }
 }
diff --git a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/EmailAddress.java b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/EmailAddress.java
index fd20f021871..2001a9097b2 100644
--- a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/EmailAddress.java
+++ b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/EmailAddress.java
@@ -202,7 +202,7 @@ public class EmailAddress implements IPropertySource {
      */
     @Override
 	public String toString() {
-        StringBuffer strbuffer = new StringBuffer(getUserid());
+        StringBuilder strbuffer = new StringBuilder(getUserid());
         strbuffer.append('@');
         strbuffer.append(getDomain());
         return strbuffer.toString();
diff --git a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Name.java b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Name.java
index 8e3a5ee6117..c3bd0f08017 100644
--- a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Name.java
+++ b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/Name.java
@@ -223,19 +223,19 @@ public class Name implements IPropertySource {
      */
     @Override
 	public String toString() {
-        StringBuffer outStringBuffer = new StringBuffer();
+        StringBuilder outStringBuilder = new StringBuilder();
         if (getFirstName() != FIRSTNAME_DEFAULT) {
-            outStringBuffer.append(getFirstName());
-            outStringBuffer.append(" "); //$NON-NLS-1$
+            outStringBuilder.append(getFirstName());
+            outStringBuilder.append(" "); //$NON-NLS-1$
         }
         if (getInitial() != MIDDLENAME_DEFAULT) {
-            outStringBuffer.append(getInitial());
-            outStringBuffer.append(" "); //$NON-NLS-1$
+            outStringBuilder.append(getInitial());
+            outStringBuilder.append(" "); //$NON-NLS-1$
         }
         if (getLastName() != LASTNAME_DEFAULT) {
-            outStringBuffer.append(getLastName());
+            outStringBuilder.append(getLastName());
         }
 
-        return outStringBuffer.toString();
+        return outStringBuilder.toString();
     }
 }
diff --git a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/StreetAddress.java b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/StreetAddress.java
index 3dad2115d12..0a58fa0d5ea 100644
--- a/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/StreetAddress.java
+++ b/examples/org.eclipse.ui.examples.propertysheet/Eclipse UI Examples PropertySheet/org/eclipse/ui/examples/propertysheet/StreetAddress.java
@@ -248,18 +248,18 @@ public class StreetAddress implements IPropertySource {
      */
     @Override
 	public String toString() {
-        StringBuffer outStringBuffer = new StringBuffer();
+        StringBuilder outStringBuilder = new StringBuilder();
         if (!getAptBox().equals(APTBOX_DEFAULT)) {
-            outStringBuffer.append(getAptBox());
-            outStringBuffer.append(", "); //$NON-NLS-1$
+            outStringBuilder.append(getAptBox());
+            outStringBuilder.append(", "); //$NON-NLS-1$
         }
         if (!getBuildNo().equals(BUILD_NO_DEFAULT)) {
-            outStringBuffer.append(getBuildNo());
-            outStringBuffer.append(" "); //$NON-NLS-1$
+            outStringBuilder.append(getBuildNo());
+            outStringBuilder.append(" "); //$NON-NLS-1$
         }
         if (!getStreetName().equals(STREETNAME_DEFAULT)) {
-            outStringBuffer.append(getStreetName());
+            outStringBuilder.append(getStreetName());
         }
-        return outStringBuffer.toString();
+        return outStringBuilder.toString();
     }
 }
diff --git a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeContentOutlineDragListener.java b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeContentOutlineDragListener.java
index 2d3d352cb6a..78f22976e35 100644
--- a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeContentOutlineDragListener.java
+++ b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeContentOutlineDragListener.java
@@ -51,7 +51,7 @@ public class ReadmeContentOutlineDragListener extends DragSourceAdapter {
      * Returns the text of the currently selected readme segment.
      */
     private String getSegmentText() {
-        StringBuffer result = new StringBuffer();
+        StringBuilder result = new StringBuilder();
         ISelection selection = page.getSelection();
         if (selection instanceof org.eclipse.jface.viewers.IStructuredSelection) {
             Object[] selected = ((IStructuredSelection) selection).toArray();
diff --git a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeCreationPage.java b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeCreationPage.java
index cecd1c487c5..b32c9a2087c 100644
--- a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeCreationPage.java
+++ b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeCreationPage.java
@@ -155,7 +155,7 @@ public class ReadmeCreationPage extends WizardNewFileCreationPage {
         if (!sectionCheckbox.getSelection())
             return null;
 
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         sb.append(MessageUtil.getString("SAMPLE_README_FILE")); //$NON-NLS-1$
         sb.append(MessageUtil.getString("SECTION_1")); //$NON-NLS-1$
         sb.append(MessageUtil.getString("SECTION_1_BODY_1")); //$NON-NLS-1$
diff --git a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage.java b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage.java
index 284d241a8f4..bc71cd78f83 100644
--- a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage.java
+++ b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage.java
@@ -90,7 +90,7 @@ public class ReadmeFilePropertyPage extends PropertyPage {
                 contentStream = file.getContents();
                 Reader in = new InputStreamReader(contentStream);
                 int chunkSize = contentStream.available();
-                StringBuffer buffer = new StringBuffer(chunkSize);
+                StringBuilder buffer = new StringBuilder(chunkSize);
                 char[] readBuffer = new char[chunkSize];
                 int n = in.read(readBuffer);
 
diff --git a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage2.java b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage2.java
index 283c2e80fd5..7ec65f7c977 100644
--- a/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage2.java
+++ b/examples/org.eclipse.ui.examples.readmetool/Eclipse UI Examples Readme Tool/org/eclipse/ui/examples/readmetool/ReadmeFilePropertyPage2.java
@@ -194,7 +194,7 @@ public class ReadmeFilePropertyPage2 extends PropertyPage {
                 contentStream = file.getContents();
                 Reader in = new InputStreamReader(contentStream);
                 int chunkSize = contentStream.available();
-                StringBuffer buffer = new StringBuffer(chunkSize);
+                StringBuilder buffer = new StringBuilder(chunkSize);
                 char[] readBuffer = new char[chunkSize];
                 int n = in.read(readBuffer);
 
diff --git a/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/MoveBoxOperation.java b/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/MoveBoxOperation.java
index 918c7c07c52..dc7abe0dacf 100644
--- a/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/MoveBoxOperation.java
+++ b/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/MoveBoxOperation.java
@@ -66,7 +66,7 @@ public class MoveBoxOperation extends BoxOperation {
 
 	@Override
 	public String getLabel() {
-		final StringBuffer stringBuffer = new StringBuffer();
+		final StringBuilder stringBuffer = new StringBuilder();
 		stringBuffer.append(super.getLabel());
 		stringBuffer.append("["); //$NON-NLS-1$
 		stringBuffer.append("("); //$NON-NLS-1$
diff --git a/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/views/UndoHistoryView.java b/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/views/UndoHistoryView.java
index 8752ab6d009..c2d906f6250 100644
--- a/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/views/UndoHistoryView.java
+++ b/examples/org.eclipse.ui.examples.undo/Eclipse UI Examples Undo/org/eclipse/ui/examples/undo/views/UndoHistoryView.java
@@ -401,7 +401,7 @@ public class UndoHistoryView extends ViewPart implements
 			@Override
 			public void run() {
 				IUndoableOperation operation = (IUndoableOperation) viewer.getStructuredSelection().getFirstElement();
-				StringBuffer buf = new StringBuffer(operation.getLabel());
+				StringBuilder buf = new StringBuilder(operation.getLabel());
 				buf.append("\n");
 				buf.append("Enabled=");	//$NON-NLS-1$
 				buf.append(Boolean.valueOf(operation.canUndo()).toString());
diff --git a/examples/org.eclipse.ui.forms.examples/src/org/eclipse/ui/forms/examples/views/FormView.java b/examples/org.eclipse.ui.forms.examples/src/org/eclipse/ui/forms/examples/views/FormView.java
index a15d564277d..072756bd503 100644
--- a/examples/org.eclipse.ui.forms.examples/src/org/eclipse/ui/forms/examples/views/FormView.java
+++ b/examples/org.eclipse.ui.forms.examples/src/org/eclipse/ui/forms/examples/views/FormView.java
@@ -168,7 +168,7 @@ public class FormView extends ViewPart {
 		button = toolkit.createButton(sectionClient, "Radio 2", SWT.RADIO);
 		section.setClient(sectionClient);
 
-		StringBuffer buf = new StringBuffer();
+		StringBuilder buf = new StringBuilder();
 		buf.append("<form>");
 		buf.append("<p>");
 		buf.append("Here is some plain text for the text to render; ");