我的问题是,当我尝试为创建的JApplet设置背景颜色时,除了默认灰色之外,我无法得到任何其他颜色。如果有人能够告诉我问题出在哪里,并解释一下,我将非常感激。这个技巧是通过一本教科书学习的,因此我想要理解问题,以便知道发生了什么。感谢您提前的帮助。SDG
public class QuoteApplet extends JApplet
{
public void paint (Graphics appPage)
{
setBackground(Color.YELLOW);
appPage.drawRect(65,55,255,100);
//page.drawRect(60,80,225,30);
//page.drawOval(75,65, 20, 20);
appPage.drawLine(30,30,30,100);
appPage.drawLine(40,30,40,100);
appPage.drawLine(55,45,15,85);
appPage.drawString("There once lived a man named Oedipus Rex.", 70, 70);
appPage.drawString("You may have heard about his odd complex.", 70, 90);
appPage.drawString("His name appears in Freud's index,", 70, 110);
appPage.drawString("'cause he loved his mother.", 70, 130);
appPage.drawString("-Tom Lehrer", 200, 150);
}
}