Eclipse automated refactor/cleanup: add missing @Override and @Deprecated annotations

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1765726 13f79535-47bb-0310-9956-ffa450edef68

30 files changed, 115 insertions, 32 deletions

diff --git a/src/examples/src/org/apache/poi/hpsf/examples/CopyCompare.java b/src/examples/src/org/apache/poi/hpsf/examples/CopyCompare.java
index b09427c321..43ea2e9d8d 100644
--- a/src/examples/src/org/apache/poi/hpsf/examples/CopyCompare.java
+++ b/src/examples/src/org/apache/poi/hpsf/examples/CopyCompare.java
@@ -311,6 +311,7 @@ public class CopyCompare
          * <p>The method is called by POI's eventing API for each file in the
          * origin POIFS.</p>
          */
+        @Override
         public void processPOIFSReaderEvent(final POIFSReaderEvent event) {
             /* The following declarations are shortcuts for accessing the
              * "event" object. */
diff --git a/src/examples/src/org/apache/poi/hpsf/examples/ReadCustomPropertySets.java b/src/examples/src/org/apache/poi/hpsf/examples/ReadCustomPropertySets.java
index 222fff9fff..9649842114 100644
--- a/src/examples/src/org/apache/poi/hpsf/examples/ReadCustomPropertySets.java
+++ b/src/examples/src/org/apache/poi/hpsf/examples/ReadCustomPropertySets.java
@@ -61,6 +61,7 @@ public class ReadCustomPropertySets
 
     static class MyPOIFSReaderListener implements POIFSReaderListener
     {
+        @Override
         public void processPOIFSReaderEvent(final POIFSReaderEvent event)
         {
             PropertySet ps = null;
diff --git a/src/examples/src/org/apache/poi/hpsf/examples/ReadTitle.java b/src/examples/src/org/apache/poi/hpsf/examples/ReadTitle.java
index 201030ac29..1805444100 100644
--- a/src/examples/src/org/apache/poi/hpsf/examples/ReadTitle.java
+++ b/src/examples/src/org/apache/poi/hpsf/examples/ReadTitle.java
@@ -54,6 +54,7 @@ public class ReadTitle
 
     static class MyPOIFSReaderListener implements POIFSReaderListener
     {
+        @Override
         public void processPOIFSReaderEvent(final POIFSReaderEvent event)
         {
             SummaryInformation si = null;
diff --git a/src/examples/src/org/apache/poi/hpsf/examples/WriteAuthorAndTitle.java b/src/examples/src/org/apache/poi/hpsf/examples/WriteAuthorAndTitle.java
index 996aa9ff7b..d08d778b0a 100644
--- a/src/examples/src/org/apache/poi/hpsf/examples/WriteAuthorAndTitle.java
+++ b/src/examples/src/org/apache/poi/hpsf/examples/WriteAuthorAndTitle.java
@@ -155,6 +155,7 @@ public class WriteAuthorAndTitle
          * <p>The method is called by POI's eventing API for each file in the
          * origin POIFS.</p>
          */
+        @Override
         public void processPOIFSReaderEvent(final POIFSReaderEvent event)
         {
             /* The following declarations are shortcuts for accessing the
diff --git a/src/examples/src/org/apache/poi/hssf/eventusermodel/examples/XLS2CSVmra.java b/src/examples/src/org/apache/poi/hssf/eventusermodel/examples/XLS2CSVmra.java
index 8bab0a8e4b..610d961741 100644
--- a/src/examples/src/org/apache/poi/hssf/eventusermodel/examples/XLS2CSVmra.java
+++ b/src/examples/src/org/apache/poi/hssf/eventusermodel/examples/XLS2CSVmra.java
@@ -133,7 +133,8 @@ public class XLS2CSVmra implements HSSFListener {
 	 * Main HSSFListener method, processes events, and outputs the
 	 *  CSV as the file is processed.
 	 */
-	public void processRecord(Record record) {
+	@Override
+    public void processRecord(Record record) {
 		int thisRow = -1;
 		int thisColumn = -1;
 		String thisStr = null;
diff --git a/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java b/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java
index 7dd5ee3ca9..a324b3af43 100644
--- a/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java
+++ b/src/examples/src/org/apache/poi/hssf/usermodel/examples/EventExample.java
@@ -40,6 +40,7 @@ public class EventExample
      * This method listens for incoming records and handles them as required.
      * @param record    The record that was found while reading.
      */
+    @Override
     public void processRecord(Record record)
     {
         switch (record.getSid())
diff --git a/src/examples/src/org/apache/poi/hssf/usermodel/examples/Outlines.java b/src/examples/src/org/apache/poi/hssf/usermodel/examples/Outlines.java
index 125d60d770..ad93f5e717 100644
--- a/src/examples/src/org/apache/poi/hssf/usermodel/examples/Outlines.java
+++ b/src/examples/src/org/apache/poi/hssf/usermodel/examples/Outlines.java
@@ -61,6 +61,7 @@ public class Outlines implements Closeable {
         }
     }
     
+    @Override
     public void close() throws IOException {
         wb.close();
     }
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVBorder.java b/src/examples/src/org/apache/poi/hssf/view/SVBorder.java
index 97a4689663..273ed07fdb 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVBorder.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVBorder.java
@@ -66,7 +66,8 @@ public class SVBorder extends AbstractBorder {
      this.selected = selected;
    }
 
-   public void paintBorder(Component c, Graphics g, int x, int y, int width,
+   @Override
+public void paintBorder(Component c, Graphics g, int x, int y, int width,
                            int height) {
       Color oldColor = g.getColor();
 
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVFractionalFormat.java b/src/examples/src/org/apache/poi/hssf/view/SVFractionalFormat.java
index cd6ff6ea72..4884195880 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVFractionalFormat.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVFractionalFormat.java
@@ -189,7 +189,8 @@ public class SVFractionalFormat extends Format {
     throw new RuntimeException("Unexpected Case");
   }
 
-  public StringBuffer format(Object obj,
+  @Override
+public StringBuffer format(Object obj,
                                       StringBuffer toAppendTo,
                                       FieldPosition pos) {
     if (obj instanceof Number) {
@@ -199,19 +200,22 @@ public class SVFractionalFormat extends Format {
     throw new IllegalArgumentException("Can only handle Numbers");
   }
 
-  public Object parseObject(String source,
+  @Override
+public Object parseObject(String source,
                                    ParsePosition status) {
     //JMH TBD
     return null;
   }
 
-  public Object parseObject(String source)
+  @Override
+public Object parseObject(String source)
                    throws ParseException {
     //JMH TBD
     return null;
   }
 
-  public Object clone() {
+  @Override
+public Object clone() {
     //JMH TBD
     return null;
   }
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVRowHeader.java b/src/examples/src/org/apache/poi/hssf/view/SVRowHeader.java
index c6db2f71a4..622f506430 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVRowHeader.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVRowHeader.java
@@ -44,9 +44,11 @@ public class SVRowHeader extends JList {
       this.sheet = sheet;
     }
 
+    @Override
     public int getSize() {
     	return sheet.getLastRowNum() + 1;
     }
+    @Override
     public Object getElementAt(int index) {
       return Integer.toString(index+1);
     }
@@ -69,6 +71,7 @@ public class SVRowHeader extends JList {
       setFont(header.getFont());
     }
 
+    @Override
     public Component getListCellRendererComponent( JList list,
            Object value, int index, boolean isSelected, boolean cellHasFocus) {
       Dimension d = getPreferredSize();
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVSheetTable.java b/src/examples/src/org/apache/poi/hssf/view/SVSheetTable.java
index 8f95e03fbe..c9e2090877 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVSheetTable.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVSheetTable.java
@@ -114,6 +114,7 @@ public class SVSheetTable extends JTable {
   }
 
   private class HeaderCellRenderer implements TableCellRenderer {
+    @Override
     public Component getTableCellRendererComponent(JTable table, Object value,
         boolean isSelected, boolean hasFocus, int row, int column) {
 
@@ -128,6 +129,7 @@ public class SVSheetTable extends JTable {
       this.formulaDisplay = formulaDisplay;
     }
 
+    @Override
     public void valueChanged(ListSelectionEvent e) {
       int row = getSelectedRow();
       int col = getSelectedColumn();
@@ -187,7 +189,8 @@ public class SVSheetTable extends JTable {
     }
 
     addHierarchyListener(new HierarchyListener() {
-      public void hierarchyChanged(HierarchyEvent e) {
+      @Override
+    public void hierarchyChanged(HierarchyEvent e) {
         if ((e.getChangeFlags() & HierarchyEvent.PARENT_CHANGED) != 0) {
           Container changedParent = e.getChangedParent();
           if (changedParent instanceof JViewport) {
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVTableCellEditor.java b/src/examples/src/org/apache/poi/hssf/view/SVTableCellEditor.java
index 6c1552e54f..3c58d5346b 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVTableCellEditor.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVTableCellEditor.java
@@ -66,7 +66,8 @@ public class SVTableCellEditor extends AbstractCellEditor implements TableCellEd
    *
    * @return    The cellEditable value
    */
-  public boolean isCellEditable(java.util.EventObject e) {
+  @Override
+public boolean isCellEditable(java.util.EventObject e) {
     if (e instanceof MouseEvent) {
       return ((MouseEvent) e).getClickCount() >= 2;
     }
@@ -74,7 +75,8 @@ public class SVTableCellEditor extends AbstractCellEditor implements TableCellEd
   }
 
 
-  public boolean shouldSelectCell(EventObject anEvent) {
+  @Override
+public boolean shouldSelectCell(EventObject anEvent) {
     return true;
   }
 
@@ -85,20 +87,23 @@ public class SVTableCellEditor extends AbstractCellEditor implements TableCellEd
   }
 
 
-  public boolean stopCellEditing() {
+  @Override
+public boolean stopCellEditing() {
     System.out.println("Stop Cell Editing");
     fireEditingStopped();
     return true;
   }
 
 
-  public void cancelCellEditing() {
+  @Override
+public void cancelCellEditing() {
     System.out.println("Cancel Cell Editing");
     fireEditingCanceled();
   }
 
 
-  public void actionPerformed(ActionEvent e) {
+  @Override
+public void actionPerformed(ActionEvent e) {
     System.out.println("Action performed");
     stopCellEditing();
   }
@@ -109,7 +114,8 @@ public class SVTableCellEditor extends AbstractCellEditor implements TableCellEd
    *
    * @return    The cellEditorValue value
    */
-  public Object getCellEditorValue() {
+  @Override
+public Object getCellEditorValue() {
     System.out.println("GetCellEditorValue");
     //JMH Look at when this method is called. Should it return a HSSFCell?
     return editor.getText();
@@ -121,7 +127,8 @@ public class SVTableCellEditor extends AbstractCellEditor implements TableCellEd
    *
    * @return             The tableCellEditorComponent value
    */
-  public Component getTableCellEditorComponent(JTable table, Object value,
+  @Override
+public Component getTableCellEditorComponent(JTable table, Object value,
       boolean isSelected,
       int row,
       int column) {
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVTableCellRenderer.java b/src/examples/src/org/apache/poi/hssf/view/SVTableCellRenderer.java
index 8a59b8306f..1448c5363c 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVTableCellRenderer.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVTableCellRenderer.java
@@ -137,6 +137,7 @@ public class SVTableCellRenderer extends JLabel
         this.wb = wb;
     }
 
+    @Override
     public Component getTableCellRendererComponent(JTable table, Object value,
                           boolean isSelected, boolean hasFocus, int row, int column) {
 	boolean isBorderSet = false;
@@ -249,14 +250,19 @@ public class SVTableCellRenderer extends JLabel
 	return this;
     }
 
+    @Override
     public void validate() {}
 
+    @Override
     public void revalidate() {}
 
+    @Override
     public void repaint(long tm, int x, int y, int width, int height) {}
 
+    @Override
     public void repaint(Rectangle r) { }
 
+    @Override
     protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
 	// Strings get interned...
 	if (propertyName=="text") {
@@ -264,6 +270,7 @@ public class SVTableCellRenderer extends JLabel
 	}
     }
 
+    @Override
     public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) { }
 
     /**
diff --git a/src/examples/src/org/apache/poi/hssf/view/SVTableModel.java b/src/examples/src/org/apache/poi/hssf/view/SVTableModel.java
index 5868a175df..25ac83fc50 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SVTableModel.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SVTableModel.java
@@ -55,10 +55,12 @@ public class SVTableModel extends AbstractTableModel {
   }
 
 
-  public int getColumnCount() {
+  @Override
+public int getColumnCount() {
     return this.maxcol+1;
   }
-  public Object getValueAt(int row, int col) {
+  @Override
+public Object getValueAt(int row, int col) {
     HSSFRow r = st.getRow(row);
     HSSFCell c = null;
     if (r != null) {
@@ -66,19 +68,23 @@ public class SVTableModel extends AbstractTableModel {
     }
     return c;
   }
-  public int getRowCount() {
+  @Override
+public int getRowCount() {
     return st.getLastRowNum() + 1;
   }
 
-  public Class<?> getColumnClass(int c) {
+  @Override
+public Class<?> getColumnClass(int c) {
 	return HSSFCell.class;
   }
 
-  public boolean isCellEditable(int rowIndex, int columnIndex) {
+  @Override
+public boolean isCellEditable(int rowIndex, int columnIndex) {
     return true;
   }
 
-  public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
+  @Override
+public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
     if (aValue != null)
       System.out.println("SVTableModel.setValueAt. value type = "+aValue.getClass().getName());
     else System.out.println("SVTableModel.setValueAt. value type = null");
diff --git a/src/examples/src/org/apache/poi/hssf/view/SViewer.java b/src/examples/src/org/apache/poi/hssf/view/SViewer.java
index de2cfb1f6d..a323992756 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SViewer.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SViewer.java
@@ -54,7 +54,8 @@ public class SViewer extends JApplet {
   }
 
   /**Initialize the applet*/
-  public void init() {
+  @Override
+public void init() {
     try {
       jbInit();
     }
@@ -104,20 +105,25 @@ public class SViewer extends JApplet {
   }
 
   /**Start the applet*/
-  public void start() {
+  @Override
+public void start() {
   }
   /**Stop the applet*/
-  public void stop() {
+  @Override
+public void stop() {
   }
   /**Destroy the applet*/
-  public void destroy() {
+  @Override
+public void destroy() {
   }
   /**Get Applet information*/
-  public String getAppletInfo() {
+  @Override
+public String getAppletInfo() {
     return "Applet Information";
   }
   /**Get parameter info*/
-  public String[][] getParameterInfo() {
+  @Override
+public String[][] getParameterInfo() {
     return null;
   }
 
@@ -149,13 +155,15 @@ public class SViewer extends JApplet {
     applet.filename = args[0];
     Frame frame;
     frame = new Frame() {
-      protected void processWindowEvent(WindowEvent e) {
+      @Override
+    protected void processWindowEvent(WindowEvent e) {
         super.processWindowEvent(e);
         if (e.getID() == WindowEvent.WINDOW_CLOSING) {
           System.exit(0);
         }
       }
-      public synchronized void setTitle(String title) {
+      @Override
+    public synchronized void setTitle(String title) {
         super.setTitle(title);
         enableEvents(AWTEvent.WINDOW_EVENT_MASK);
       }
diff --git a/src/examples/src/org/apache/poi/hssf/view/SViewerPanel.java b/src/examples/src/org/apache/poi/hssf/view/SViewerPanel.java
index 5fe596220a..bf1ba4ab7f 100644
--- a/src/examples/src/org/apache/poi/hssf/view/SViewerPanel.java
+++ b/src/examples/src/org/apache/poi/hssf/view/SViewerPanel.java
@@ -129,7 +129,8 @@ public class SViewerPanel extends JPanel {
     return scroll;
   }
 
-  public void paint(Graphics g) {
+  @Override
+public void paint(Graphics g) {
     //JMH I am only overriding this to get a picture of the time taken to paint
     long start = System.currentTimeMillis();
     super.paint(g);
@@ -180,19 +181,24 @@ public class SViewerPanel extends JPanel {
       }
     }
 
+    @Override
     public void mouseClicked(MouseEvent e) {
       checkPopup(e);
     }
 
+    @Override
     public void mousePressed(MouseEvent e) {
       checkPopup(e);
     }
 
+    @Override
     public void mouseReleased(MouseEvent e) {
       checkPopup(e);
     }
 
+    @Override
     public void mouseEntered(MouseEvent e) {}
+    @Override
     public void mouseExited(MouseEvent e) {}
   }
 
@@ -202,6 +208,7 @@ public class SViewerPanel extends JPanel {
       super("Rename");
     }
 
+    @Override
     public void actionPerformed(ActionEvent e) {
       int tabIndex = sheetPane.getSelectedIndex();
       if (tabIndex != -1) {
@@ -220,6 +227,7 @@ public class SViewerPanel extends JPanel {
       super("Insert");
     }
 
+    @Override
     public void actionPerformed(ActionEvent e) {
       //Create a new sheet then search for the sheet and make sure that the
       //sheetPane shows it.
@@ -239,6 +247,7 @@ public class SViewerPanel extends JPanel {
       super("Delete");
     }
 
+    @Override
     public void actionPerformed(ActionEvent e) {
       int tabIndex = sheetPane.getSelectedIndex();
       if (tabIndex != -1) {
@@ -267,12 +276,14 @@ public class SViewerPanel extends JPanel {
       SViewerPanel p = new SViewerPanel(wb, true);
       JFrame frame;
       frame = new JFrame() {
+        @Override
         protected void processWindowEvent(WindowEvent e) {
           super.processWindowEvent(e);
           if (e.getID() == WindowEvent.WINDOW_CLOSING) {
             System.exit(0);
           }
         }
+        @Override
         public synchronized void setTitle(String title) {
           super.setTitle(title);
           enableEvents(AWTEvent.WINDOW_EVENT_MASK);
diff --git a/src/examples/src/org/apache/poi/hssf/view/brush/DoubleStroke.java b/src/examples/src/org/apache/poi/hssf/view/brush/DoubleStroke.java
index 126214b8a1..01b17ef4d0 100644
--- a/src/examples/src/org/apache/poi/hssf/view/brush/DoubleStroke.java
+++ b/src/examples/src/org/apache/poi/hssf/view/brush/DoubleStroke.java
@@ -47,6 +47,7 @@ public class DoubleStroke implements Brush {
      *
      * @return The created stroke as a new shape.
      */
+    @Override
     public Shape createStrokedShape(Shape s) {
         // Use the first stroke to create an outline of the shape
         Shape outline = stroke1.createStrokedShape(s);
@@ -56,6 +57,7 @@ public class DoubleStroke implements Brush {
     }
 
     /** {@inheritDoc} */
+    @Override
     public float getLineWidth() {
         return stroke1.getLineWidth() + 2 * stroke2.getLineWidth();
     }
diff --git a/src/examples/src/org/apache/poi/poifs/poibrowser/DocumentDescriptorRenderer.java b/src/examples/src/org/apache/poi/poifs/poibrowser/DocumentDescriptorRenderer.java
index 698aab35ea..de1204e77d 100644
--- a/src/examples/src/org/apache/poi/poifs/poibrowser/DocumentDescriptorRenderer.java
+++ b/src/examples/src/org/apache/poi/poifs/poibrowser/DocumentDescriptorRenderer.java
@@ -31,6 +31,7 @@ import org.apache.poi.util.HexDump;
 public class DocumentDescriptorRenderer extends DefaultTreeCellRenderer
 {
 
+    @Override
     public Component getTreeCellRendererComponent(final JTree tree,
                                                   final Object value,
                                                   final boolean selectedCell,
diff --git a/src/examples/src/org/apache/poi/poifs/poibrowser/ExtendableTreeCellRenderer.java b/src/examples/src/org/apache/poi/poifs/poibrowser/ExtendableTreeCellRenderer.java
index 917c0b0570..dbb759c9c5 100644
--- a/src/examples/src/org/apache/poi/poifs/poibrowser/ExtendableTreeCellRenderer.java
+++ b/src/examples/src/org/apache/poi/poifs/poibrowser/ExtendableTreeCellRenderer.java
@@ -49,6 +49,7 @@ public class ExtendableTreeCellRenderer implements TreeCellRenderer
         renderers = new HashMap<Class<?>,TreeCellRenderer>();
         register(Object.class, new DefaultTreeCellRenderer()
             {
+                @Override
                 public Component getTreeCellRendererComponent
                     (JTree tree, Object value, boolean selectedCell,
                      boolean expanded, boolean leaf, int row, boolean hasCellFocus)
@@ -97,6 +98,7 @@ public class ExtendableTreeCellRenderer implements TreeCellRenderer
      *
      * @see TreeCellRenderer#getTreeCellRendererComponent
      */
+    @Override
     public Component getTreeCellRendererComponent
         (final JTree tree, final Object value, final boolean selected,
          final boolean expanded, final boolean leaf, final int row,
diff --git a/src/examples/src/org/apache/poi/poifs/poibrowser/POIBrowser.java b/src/examples/src/org/apache/poi/poifs/poibrowser/POIBrowser.java
index d1fa1727ca..ec84847d68 100644
--- a/src/examples/src/org/apache/poi/poifs/poibrowser/POIBrowser.java
+++ b/src/examples/src/org/apache/poi/poifs/poibrowser/POIBrowser.java
@@ -65,6 +65,7 @@ public class POIBrowser extends JFrame
     {
         addWindowListener(new WindowAdapter()
             {
+                @Override
                 public void windowClosing(WindowEvent e)
                 {
                         System.exit(0);
diff --git a/src/examples/src/org/apache/poi/poifs/poibrowser/PropertySetDescriptorRenderer.java b/src/examples/src/org/apache/poi/poifs/poibrowser/PropertySetDescriptorRenderer.java
index 085f2db6d7..8ce336f24d 100644
--- a/src/examples/src/org/apache/poi/poifs/poibrowser/PropertySetDescriptorRenderer.java
+++ b/src/examples/src/org/apache/poi/poifs/poibrowser/PropertySetDescriptorRenderer.java
@@ -41,6 +41,7 @@ import org.apache.poi.util.HexDump;
 public class PropertySetDescriptorRenderer extends DocumentDescriptorRenderer
 {
 
+    @Override
     public Component getTreeCellRendererComponent(final JTree tree,
                                                   final Object value,
                                                   final boolean selectedCell,
diff --git a/src/examples/src/org/apache/poi/poifs/poibrowser/TreeReaderListener.java b/src/examples/src/org/apache/poi/poifs/poibrowser/TreeReaderListener.java
index 3174610cad..d2427ce15b 100644
--- a/src/examples/src/org/apache/poi/poifs/poibrowser/TreeReaderListener.java
+++ b/src/examples/src/org/apache/poi/poifs/poibrowser/TreeReaderListener.java
@@ -121,6 +121,7 @@ public class TreeReaderListener implements POIFSReaderListener
      * reading. This method retrieves properties of the document and
      * adds them to a tree model.</p>
      */
+    @Override
     public void processPOIFSReaderEvent(final POIFSReaderEvent event)
     {
         DocumentDescriptor d;
diff --git a/src/examples/src/org/apache/poi/ss/examples/ToCSV.java b/src/examples/src/org/apache/poi/ss/examples/ToCSV.java
index e8bca901f8..532b89c0f7 100644
--- a/src/examples/src/org/apache/poi/ss/examples/ToCSV.java
+++ b/src/examples/src/org/apache/poi/ss/examples/ToCSV.java
@@ -764,6 +764,7 @@ public class ToCSV {
          *         file ends with either '.xls' or '.xlsx' and false will be
          *         returned in all other instances.
          */
+        @Override
         public boolean accept(File file, String name) {
             return(name.endsWith(".xls") || name.endsWith(".xlsx"));
         }
diff --git a/src/examples/src/org/apache/poi/ss/examples/formula/CalculateMortgage.java b/src/examples/src/org/apache/poi/ss/examples/formula/CalculateMortgage.java
index 4b9a325cdf..3d6b4423a1 100644
--- a/src/examples/src/org/apache/poi/ss/examples/formula/CalculateMortgage.java
+++ b/src/examples/src/org/apache/poi/ss/examples/formula/CalculateMortgage.java
@@ -33,6 +33,7 @@ import org.apache.poi.ss.formula.functions.FreeRefFunction ;
  */
 public class CalculateMortgage implements FreeRefFunction {
 
+    @Override
     public ValueEval evaluate( ValueEval[] args, OperationEvaluationContext ec ) {
         
         // verify that we have enough data
diff --git a/src/examples/src/org/apache/poi/ss/examples/formula/SettingExternalFunction.java b/src/examples/src/org/apache/poi/ss/examples/formula/SettingExternalFunction.java
index ae70794368..bf4018f3d6 100644
--- a/src/examples/src/org/apache/poi/ss/examples/formula/SettingExternalFunction.java
+++ b/src/examples/src/org/apache/poi/ss/examples/formula/SettingExternalFunction.java
@@ -56,6 +56,7 @@ public class SettingExternalFunction {
             // don't care about the implementation, we are not interested in evaluation

             // and this method will never be called

             FreeRefFunction NA = new FreeRefFunction() {

+                @Override

                 public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {

                     return ErrorEval.NA;

                 }

@@ -66,6 +67,7 @@ public class SettingExternalFunction {
             _functionsByName.put("BDS", NA);

         }

 

+        @Override

         public FreeRefFunction findFunction(String name) {

             return _functionsByName.get(name.toUpperCase(Locale.ROOT));

         }

diff --git a/src/examples/src/org/apache/poi/ss/examples/html/HSSFHtmlHelper.java b/src/examples/src/org/apache/poi/ss/examples/html/HSSFHtmlHelper.java
index 1e235f929e..677a38ab71 100644
--- a/src/examples/src/org/apache/poi/ss/examples/html/HSSFHtmlHelper.java
+++ b/src/examples/src/org/apache/poi/ss/examples/html/HSSFHtmlHelper.java
@@ -42,6 +42,7 @@ public class HSSFHtmlHelper implements HtmlHelper {
         colors = wb.getCustomPalette();
     }
 
+    @Override
     public void colorStyles(CellStyle style, Formatter out) {
         HSSFCellStyle cs = (HSSFCellStyle) style;
         out.format("  /* fill pattern = %d */%n", cs.getFillPattern());
diff --git a/src/examples/src/org/apache/poi/ss/examples/html/XSSFHtmlHelper.java b/src/examples/src/org/apache/poi/ss/examples/html/XSSFHtmlHelper.java
index 9b22e1ed04..20a30ed2eb 100644
--- a/src/examples/src/org/apache/poi/ss/examples/html/XSSFHtmlHelper.java
+++ b/src/examples/src/org/apache/poi/ss/examples/html/XSSFHtmlHelper.java
@@ -28,6 +28,7 @@ import org.apache.poi.xssf.usermodel.XSSFColor;
  * @author Ken Arnold, Industrious Media LLC
  */
 public class XSSFHtmlHelper implements HtmlHelper {
+    @Override
     public void colorStyles(CellStyle style, Formatter out) {
         XSSFCellStyle cs = (XSSFCellStyle) style;
         styleColor(out, "background-color", cs.getFillForegroundXSSFColor());
diff --git a/src/examples/src/org/apache/poi/xssf/eventusermodel/XLSX2CSV.java b/src/examples/src/org/apache/poi/xssf/eventusermodel/XLSX2CSV.java
index 11d14ae376..0f84ce91fe 100644
--- a/src/examples/src/org/apache/poi/xssf/eventusermodel/XLSX2CSV.java
+++ b/src/examples/src/org/apache/poi/xssf/eventusermodel/XLSX2CSV.java
@@ -83,6 +83,7 @@ public class XLSX2CSV {
             }
         }
 
+        @Override
         public void startRow(int rowNum) {
             // If there were gaps, output the missing rows
             outputMissingRows(rowNum-currentRow-1);
@@ -92,6 +93,7 @@ public class XLSX2CSV {
             currentCol = -1;
         }
 
+        @Override
         public void endRow(int rowNum) {
             // Ensure the minimum number of columns
             for (int i=currentCol; i<minColumns; i++) {
@@ -100,6 +102,7 @@ public class XLSX2CSV {
             output.append('\n');
         }
 
+        @Override
         public void cell(String cellReference, String formattedValue,
                 XSSFComment comment) {
             if (firstCellOfRow) {
@@ -132,6 +135,7 @@ public class XLSX2CSV {
             }
         }
 
+        @Override
         public void headerFooter(String text, boolean isHeader, String tagName) {
             // Skip, no headers or footers in CSV
         }
diff --git a/src/examples/src/org/apache/poi/xssf/eventusermodel/examples/FromHowTo.java b/src/examples/src/org/apache/poi/xssf/eventusermodel/examples/FromHowTo.java
index 1997e6776f..6e35e8cdbd 100644
--- a/src/examples/src/org/apache/poi/xssf/eventusermodel/examples/FromHowTo.java
+++ b/src/examples/src/org/apache/poi/xssf/eventusermodel/examples/FromHowTo.java
@@ -116,7 +116,8 @@ public class FromHowTo {
 			this.sst = sst;
 		}
 
-		public void startElement(String uri, String localName, String name,
+		@Override
+        public void startElement(String uri, String localName, String name,
 								 Attributes attributes) throws SAXException {
 			// c => cell
 			if(name.equals("c")) {
@@ -131,7 +132,8 @@ public class FromHowTo {
 			lastContents = "";
 		}
 
-		public void endElement(String uri, String localName, String name)
+		@Override
+        public void endElement(String uri, String localName, String name)
 				throws SAXException {
 			// Process the last contents as required.
 			// Do now, as characters() may be called more than once
@@ -152,7 +154,8 @@ public class FromHowTo {
 			}
 		}
 
-		public void characters(char[] ch, int start, int length) throws SAXException { // NOSONAR
+		@Override
+        public void characters(char[] ch, int start, int length) throws SAXException { // NOSONAR
 			lastContents += new String(ch, start, length);
 		}
 	}
diff --git a/src/examples/src/org/apache/poi/xssf/streaming/examples/HybridStreaming.java b/src/examples/src/org/apache/poi/xssf/streaming/examples/HybridStreaming.java
index 1e5515859d..31b5e859fd 100644
--- a/src/examples/src/org/apache/poi/xssf/streaming/examples/HybridStreaming.java
+++ b/src/examples/src/org/apache/poi/xssf/streaming/examples/HybridStreaming.java
@@ -42,6 +42,7 @@ public class HybridStreaming {
         InputStream sourceBytes = new FileInputStream("workbook.xlsx");
         XSSFWorkbook workbook = new XSSFWorkbook(sourceBytes) {
             /** Avoid DOM parse of large sheet */
+            @Override
             public void parseSheet(java.util.Map<String,XSSFSheet> shIdMap, CTSheet ctSheet) {
                 if (!SHEET_TO_STREAM.equals(ctSheet.getName())) {
                     super.parseSheet(shIdMap, ctSheet);
@@ -59,15 +60,19 @@ public class HybridStreaming {
     private static SheetContentsHandler createSheetContentsHandler() {
         return new SheetContentsHandler() {
             
+            @Override
             public void startRow(int rowNum) {
             }
             
+            @Override
             public void headerFooter(String text, boolean isHeader, String tagName) {
             }
             
+            @Override
             public void endRow(int rowNum) {
             }
             
+            @Override
             public void cell(String cellReference, String formattedValue, XSSFComment comment) {
             }
         };