Replace String concetanation with StringBuilder

Author: gzsombor

org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/LambdaUtils.java

@@ -110,12 +110,12 @@ private static List<String> getArgumentTypeNames(IJavaElement parent) throws Cor
 		String[] ptypes = method.getParameterTypes();
 		for (String ps : ptypes) {
 			@SuppressWarnings("restriction")
-			String resolvedName = org.eclipse.jdt.internal.corext.util.JavaModelUtil.getResolvedTypeName(ps, type);
+			StringBuilder resolvedName = new StringBuilder().append(org.eclipse.jdt.internal.corext.util.JavaModelUtil.getResolvedTypeName(ps, type));
 			int arrayCount = Signature.getArrayCount(ps);
 			for (int i = 0; i < arrayCount; i++) {
-				resolvedName += "[]"; //$NON-NLS-1$
+				resolvedName.append("[]"); //$NON-NLS-1$
 			}
-			psig.add(resolvedName);
+			psig.add(resolvedName.toString());
 		}
 		return psig;
 	}

org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/actions/ToggleBreakpointAdapter.java

@@ -1596,11 +1596,11 @@ private void toggleFieldOrMethodBreakpoints(IWorkbenchPart part, ISelection sele
 	 * Additional diagnosis info for bug 528321
 	 */
 	private static void logBadAnnotation(SimpleMarkerAnnotation annotation, CoreException e) {
-		String message = "Editor annotation with non existing marker found: "; //$NON-NLS-1$
-		message += "text: " + annotation.getText(); //$NON-NLS-1$
-		message += ", type: " + annotation.getType(); //$NON-NLS-1$
-		message += ", " + annotation.getMarker(); //$NON-NLS-1$
-		JDIDebugUIPlugin.log(message, e);
+		StringBuilder message = new StringBuilder("Editor annotation with non existing marker found: "); //$NON-NLS-1$
+		message.append("text: ").append(annotation.getText()); //$NON-NLS-1$
+		message.append(", type: ").append(annotation.getType()); //$NON-NLS-1$
+		message.append(", ").append(annotation.getMarker()); //$NON-NLS-1$
+		JDIDebugUIPlugin.log(message.toString(), e);
 	}
 
 	/**

org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/launcher/DebugTypeSelectionDialog.java

@@ -83,12 +83,12 @@ public Image getImage(Object element) {
 		public String getText(Object element) {
 			if(element instanceof IType) {
 				IType type = (IType) element;
-				String label = type.getTypeQualifiedName();
+				StringBuilder label = new StringBuilder().append(type.getTypeQualifiedName());
 				String container = getDeclaringContainerName(type);
 				if(container != null && !"".equals(container)) { //$NON-NLS-1$
-					label += " - "+container; //$NON-NLS-1$
+					label.append(" - ").append(container); //$NON-NLS-1$
 				}
-				return label;
+				return label.toString();
 			}
 			return null;
 		}