Add missing @Override annotations.

examples/src/main/java/com/google/bitcoin/examples/PeerMonitor.java

@@ -101,6 +101,7 @@ public class PeerMonitor {
     private void refreshUI() {
         // Tell the Swing UI thread to redraw the peers table.
         SwingUtilities.invokeLater(new Runnable() {
+            @Override
             public void run() {
                 peerTableModel.updateFromPeerGroup();
             }
@@ -125,6 +126,7 @@ public class PeerMonitor {
         JLabel instructions = new JLabel("Number of peers to connect to: ");
         final SpinnerNumberModel spinnerModel = new SpinnerNumberModel(4, 0, 100, 1);
         spinnerModel.addChangeListener(new ChangeListener() {
+            @Override
             public void stateChanged(ChangeEvent changeEvent) {
                 peerGroup.setMaxConnections(spinnerModel.getNumber().intValue());
             }
@@ -151,6 +153,7 @@ public class PeerMonitor {
 
         // Refresh the UI every half second to get the latest ping times. The event handler runs in the UI thread.
         new Timer(1000, new ActionListener() {
+            @Override
             public void actionPerformed(ActionEvent actionEvent) {
                 peerTableModel.updateFromPeerGroup();
             }
@@ -174,6 +177,7 @@ public class PeerMonitor {
             fireTableDataChanged();
         }
 
+        @Override
         public int getRowCount() {
             return connectedPeers.size() + pendingPeers.size();
         }
@@ -191,10 +195,12 @@ public class PeerMonitor {
             }
         }
 
+        @Override
         public int getColumnCount() {
             return 6;
         }
 
+        @Override
         public Class<?> getColumnClass(int column) {
             switch (column) {
                 case PROTOCOL_VERSION:
@@ -208,6 +214,7 @@ public class PeerMonitor {
             }
         }
 
+        @Override
         public Object getValueAt(int row, int col) {
             if (row >= connectedPeers.size()) {
                 // Peer that isn't connected yet.
@@ -266,6 +273,7 @@ public class PeerMonitor {
             this.bold = new Font("Sans Serif", Font.BOLD, 12);
         }
 
+        @Override
         public Component getTableCellRendererComponent(JTable table, Object contents,
                                                        boolean selected, boolean hasFocus, int row, int column) {
             row = table.convertRowIndexToModel(row);

examples/src/main/java/com/google/bitcoin/examples/PrintPeers.java

@@ -85,6 +85,7 @@ public class PrintPeers {
             final SettableFuture<Void> future = SettableFuture.create();
             // Once the connection has completed version handshaking ...
             peer.addEventListener(new AbstractPeerEventListener() {
+                @Override
                 public void onPeerConnected(Peer p, int peerCount) {
                     // Check the chain height it claims to have.
                     VersionMessage ver = peer.getPeerVersionMessage();
@@ -106,6 +107,7 @@ public class PrintPeers {
                     peer.close();
                 }
 
+                @Override
                 public void onPeerDisconnected(Peer p, int peerCount) {
                     if (!future.isDone())
                         System.out.println("Failed to talk to " + addr);