frame.setvisible(true); /* *程序主线程，对一个烟花进行绘制。 */ public void run() { //变量初始化 Graphics gl; gl getGraphics(); int y move,y click,x click; int vi x_click x; y click yi y move 400; v=3; int r,g,b; while(y_move y_click) g1.setColor(Color.black); g1.filloval(x_click,y_move,5,5); y move -=5; r =(((int)Math.round (Math.random()*4321))8200)+55; g (((int)Math.round(Math.random()*4321))8200)+55; b=（((int)Math.round(Math.random()*4321))号200)+55； g1.setColor(new Color(r,g,b)); g1.filloval(x click,y move,5,5); for(int j=0 ;j<=10;j++)frame.setVisible(true); } /** *程序主线程，对一个烟花进行绘制。 */ public void run() { //变量初始化 Graphics g1; g1 = getGraphics(); int y_move,y_click,x_click; int v; x_click = x; y_click = y; y_move = 400; v = 3; int r,g,b; while(y_move > y_click) { g1.setColor(Color.black); g1.fillOval(x_click,y_move,5,5); y_move -= 5; r = (((int)Math.round(Math.random()*4321))%200)+55; g = (((int)Math.round(Math.random()*4321))%200)+55; b = (((int)Math.round(Math.random()*4321))%200)+55; g1.setColor(new Color(r,g,b)); g1.fillOval(x_click,y_move,5,5); for(int j = 0 ;j<=10;j++)