import javax.microedition.midlet.MIDlet;import javax.microedition.lcdui.*; //made by sword2008·程序之巢 //http://blog.programfan.com/blog.asp?author=qq14923349 //游戏第一课  画格子public class Gofirst1 extends MIDlet{   public Gofirst1(){            } public void startApp(){  Display.getDisplay(this).setCurrent(new First1());         } public void pauseApp(){} public void destroyApp(boolean unkown){}     } class First1 extends Canvas{  private int color; private int startX=getWidth()/4-40;//起点坐标和终点坐标非常重要，格子剩下的是分成等分 private int startY=getHeight()/4-40;    public void paint(Graphics g){  color=g.getColor(); g.setColor(255,255,255); g.fillRect(0,0,getWidth(),getHeight()); g.setColor(255,0,0); g.drawRect(startX,startY,200,200); drawline(g);          }    private void  drawline(Graphics g)//画格子 {    for(int i=1;i<11;i++){//横线 x坐标不边,y分别分成10等分,从上画下, g.drawLine(startX,startY+200/10*i,startX+200,startY+200/10*i);     //竖线 g.drawLine(startX+200/10*i,startY,startX+200/10*i,startY+200);      } } }

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