src/java.desktop/unix/classes/sun/awt/X11/XRobotPeer.java

@@ -103,10 +103,25 @@
     public void keyRelease(int keycode) {
         keyReleaseImpl(keycode);
     }
 
     @Override
+    public void keyPressUnicode( int key ) {
+        // No special functions that implements a unicode key press
+        // and release in linux platform. Hence not implemented.
+        throw new UnsupportedOperationException("not implemented");
+    }
+
+    @Override
+    public void keyReleaseUnicode( int key ) {
+        // No special functions that implements a unicode key press
+        // and release in linux platform. Hence not implemented.
+        throw new UnsupportedOperationException("not implemented");
+    }
+
+
+    @Override
     public int getRGBPixel(int x, int y) {
         int pixelArray[] = new int[1];
         getRGBPixelsImpl(xgc, x, y, 1, 1, pixelArray, useGtk);
         return pixelArray[0];
     }