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Java

LineCanvas.java：源码内容

							package DrawLine;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import java.io.*;
public class LineCanvas extends Canvas
{
	public LineCanvas()
        {
        	
        
        }
        public void paint(Graphics g)
        {
        g.setColor(0xFFFFFF);
        g.fillRect(0, 0, getWidth(), getHeight());
        g.setColor(0x000000);
        
       /* g.drawLine(0,1,0,4);
        g.drawLine(2,2,5,5);
        g.drawLine(1,2,2,8);
        g.drawLine(1,0,5,0);
        g.drawLine(6,2,6,2);*/
        g.drawLine(0,0,getWidth(),getHeight());
        g.drawLine(60,70,30,20);
        g.drawLine(30,50,60,80);
        g.drawLine(100,30,40,90);
        
	
        }
}

						