在java应用程序中如何通过一个事件改变鼠标的显示样式?

Question

Cursor类里已经定义了许多光标形态，比如applet.setCursor(Cursor.getPredefinedCursor(Cursor.CROSSSHAIR_CURSOR))就改变了

Answer 1

jLabel1.setCursor(Cursor.getPredefinedCursor(Cursor.Hand_CURSOR))

Answer 2

鼠标的图标的常量是
setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR))
                                     Cursor.MOVE_CURSOR
                                           .TEXT_CURSOR
                                           .WAIT_CURSOR