diff --git a/greenfield-apps/src/test/java/org/verapdf/apps/test/TempFileClosingTest.java b/greenfield-apps/src/test/java/org/verapdf/apps/test/TempFileClosingTest.java
index cf032852..6e1160ae 100644
--- a/greenfield-apps/src/test/java/org/verapdf/apps/test/TempFileClosingTest.java
+++ b/greenfield-apps/src/test/java/org/verapdf/apps/test/TempFileClosingTest.java
@@ -21,10 +21,10 @@ public class TempFileClosingTest {
     private int initialFileAmount;
 
     public void test() throws VeraPDFException {
-        File testFile = new File(TEST_FILE);
         switchTempDir();
         initialFileAmount = getAmountOfFiles(currentTempDir);
         try {
+            File testFile = new File(TEST_FILE);
             GreenfieldCliWrapper.main(new String[] {testFile.getAbsolutePath(), FORMAT_OPTION, TEXT_VARIANT});
         } catch (VeraPDFException e) {
             System.setProperty(TEMP_DIR_PROPERTY, initialTempDir.getAbsolutePath());
diff --git a/gui/src/main/java/org/verapdf/apps/SoftwareUpdaterImpl.java b/gui/src/main/java/org/verapdf/apps/SoftwareUpdaterImpl.java
index 59e7cc91..82d6f961 100644
--- a/gui/src/main/java/org/verapdf/apps/SoftwareUpdaterImpl.java
+++ b/gui/src/main/java/org/verapdf/apps/SoftwareUpdaterImpl.java
@@ -110,9 +110,9 @@ public String getLatestVersion(final ReleaseDetails details) {
 
 	private static SemanticVersionNumber getLatestVersionFromUrl(final String endpoint) {
 		try {
-			URL url = new URL(endpoint);
 			DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
 			builder.setErrorHandler(null);
+			URL url = new URL(endpoint);
 			Document doc = builder.parse(new InputSource(url.openStream()));
 			XPath path = XPathFactory.newInstance().newXPath();
 			NodeList versions = ((NodeList) path.evaluate("//str[@name='v']", doc, XPathConstants.NODESET));
diff --git a/gui/src/main/java/org/verapdf/cli/VeraPdfCliProcessor.java b/gui/src/main/java/org/verapdf/cli/VeraPdfCliProcessor.java
index cc7e2a0d..57cb6f37 100644
--- a/gui/src/main/java/org/verapdf/cli/VeraPdfCliProcessor.java
+++ b/gui/src/main/java/org/verapdf/cli/VeraPdfCliProcessor.java
@@ -79,7 +79,6 @@ ProcessorConfig getProcessorConfig() {
 	}
 
 	ExitCodes processPaths(final List<String> pdfPaths, boolean nonPdfExt) throws VeraPDFException {
-		ExitCodes retStatus = ExitCodes.VALID;
 		if (isServerMode) {
 			try {
 				this.tempFile = Files.createTempFile("tempReport", ".xml").toFile();
@@ -91,6 +90,7 @@ ExitCodes processPaths(final List<String> pdfPaths, boolean nonPdfExt) throws Ve
 			this.os = System.out;
 		}
 		// If the path list is empty then process the STDIN stream
+		ExitCodes retStatus = ExitCodes.VALID;
 		if (pdfPaths.isEmpty() && !isServerMode) {
 			retStatus = processStdIn();
 		} else {
diff --git a/gui/src/main/java/org/verapdf/gui/MiniLogoPanel.java b/gui/src/main/java/org/verapdf/gui/MiniLogoPanel.java
index 8ab03507..9c0240b5 100644
--- a/gui/src/main/java/org/verapdf/gui/MiniLogoPanel.java
+++ b/gui/src/main/java/org/verapdf/gui/MiniLogoPanel.java
@@ -46,30 +46,37 @@ class MiniLogoPanel extends JPanel {
 		label.setToolTipText(GUIConstants.LABEL_TOOL_TIP);
 		try (InputStream is = getClass().getClassLoader().getResourceAsStream(logoPath)) {
 			final BufferedImage image = ImageIO.read(is);
-			Icon icon = new Icon() {
-
-				private static final double SCALE = 0.3;
-
-				@Override
-				public void paintIcon(Component c, Graphics g, int x, int y) {
-					g.drawImage(image, 0, 0, getIconWidth(), getIconHeight(), 0, 0, image.getWidth(), image.getHeight(),
-							null);
-				}
-
-				@Override
-				public int getIconWidth() {
-					return (int) (image.getWidth() * SCALE);
-				}
-
-				@Override
-				public int getIconHeight() {
-					return (int) (image.getHeight() * SCALE);
-				}
-			};
+			Icon icon = new VeraPDFIcon(image);
 			label.setIcon(icon);
 		}
 
 		add(label);
 
 	}
+
+	private static class VeraPDFIcon implements Icon {
+
+		private static final double SCALE = 0.3;
+		private final BufferedImage image;
+
+		public VeraPDFIcon(BufferedImage image) {
+			this.image = image;
+		}
+
+		@Override
+		public void paintIcon(Component c, Graphics g, int x, int y) {
+			g.drawImage(image, 0, 0, getIconWidth(), getIconHeight(), 0, 0, image.getWidth(), image.getHeight(),
+					null);
+		}
+
+		@Override
+		public int getIconWidth() {
+			return (int) (image.getWidth() * SCALE);
+		}
+
+		@Override
+		public int getIconHeight() {
+			return (int) (image.getHeight() * SCALE);
+		}
+	}
 }
diff --git a/gui/src/main/java/org/verapdf/gui/SettingsPanel.java b/gui/src/main/java/org/verapdf/gui/SettingsPanel.java
index 43c2fd17..9e7c9931 100644
--- a/gui/src/main/java/org/verapdf/gui/SettingsPanel.java
+++ b/gui/src/main/java/org/verapdf/gui/SettingsPanel.java
@@ -133,10 +133,9 @@ class SettingsPanel extends JPanel {
 
 		panel.add(new JLabel(GUIConstants.SELECTED_PATH_FOR_FIXER_LABEL_TEXT));
 
-		File currentDir = new File(new File(GUIConstants.DOT).getCanonicalPath());
-
 		JButton choose2 = new JButton(GUIConstants.FIX_METADATA_FOLDER_CHOOSE_BUTTON);
 		this.folderChooser = new JFileChooser();
+		File currentDir = new File(new File(GUIConstants.DOT).getCanonicalPath());
 		this.folderChooser.setCurrentDirectory(currentDir);
 		this.folderChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
 		choose2.addActionListener(new ActionListener() {
diff --git a/gui/src/main/java/org/verapdf/gui/ValidateWorker.java b/gui/src/main/java/org/verapdf/gui/ValidateWorker.java
index 1d8f63b0..145901cf 100644
--- a/gui/src/main/java/org/verapdf/gui/ValidateWorker.java
+++ b/gui/src/main/java/org/verapdf/gui/ValidateWorker.java
@@ -162,8 +162,8 @@ protected void done() {
 
 	private void writeHtmlReport() {
 		final String extension = "html";
-		final String ext = '.' + extension;
 		try {
+			final String ext = '.' + extension;
 			this.htmlReport = File.createTempFile("veraPDF-tempHTMLReport", ext); //$NON-NLS-1$
 			this.htmlReport.deleteOnExit();
 			try (InputStream xmlStream = new FileInputStream(this.xmlReport);
@@ -173,10 +173,10 @@ private void writeHtmlReport() {
 					                           this.configManager.getApplicationConfig().getWikiPath(), true);
 
 			} catch (IOException | TransformerException excep) {
-				final String message = String.format(GUIConstants.IOEXCEP_SAVING_REPORT, extension);
 				JOptionPane.showMessageDialog(this.parent,
 						String.format(GUIConstants.IOEXCEP_SAVING_REPORT, extension), GUIConstants.ERROR,
 						JOptionPane.ERROR_MESSAGE);
+				final String message = String.format(GUIConstants.IOEXCEP_SAVING_REPORT, extension);
 				logger.log(Level.SEVERE, message, excep);
 				this.htmlReport = null;
 			}