question: please refer to super class method documentation . concode_field_sep GLCanvas canvas concode_elem_sep JOGLRenderer renderer concode_elem_sep Dimension size concode_elem_sep Frame frame concode_field_sep Image getWindowIcon concode_elem_sep JOGLRenderer getRenderer concode_elem_sep Dimension getSize concode_elem_sep void cleanup concode_elem_sep Graphics2D getBackBuffer concode_elem_sep Frame getFrame concode_elem_sep boolean isVSync concode_elem_sep Component getComponent concode_elem_sep void setWindowTitle concode_elem_sep boolean flip concode_elem_sep String getGraphicsDescription concode_elem_sep void setWindowIcon
target: String function ( ) { return this . frame . getTitle ( ) ; }